It's the fight for time and space. If a TV resolution end point is decided by the majority. Movies/shows will stop getting bigger. And then space won't change. So if SD cards hold out as a use for that time. They will be cheap to be used as physical media. But too many if's everywhere.

Sure I don't see any more benefits beyond 8K for current tv sets, yet that's only the beginning. Holographic displays already exist and those need tons more data to describe the full 3D scene. There's still a long way to go before we're standing inside the holodeck. Imagine a recorded concert where you can actually move around the stadium in your living room, and the kind of data storage needed for that. That definitely add rewatchability to recorded video.
Just daydreaming about the far future lol. Yet considering how fast things are going I might still see holographic tv become a reality :)

I'm different. I don't see any further benefit, right now. Holograms in the Star Trek sense, is the only step I would want. 1080 is perfect. Everything else is now bigger res. Wooopdedo. And I never cared about audio improvements, ever. I have a sound system. Because the TV speakers mde now are shit. Facing down or in the back of the TV, muffled. But I only use two speakers. And put it in stereo mode. None of that 5.1 7.1 9.1 crap. I won't be re-buying anything moving forward. I don't even do it now. What I have on DVD. I never bothered replacing. It is a waste of money. I saw this stuff countless times. The only time I'll ever get anything "better" is when said 1080 stuff is not sold anymore. But I won't activitly go out of my way for it.

It's one factor why BD also didn't eat up DVD's. It's the not care factor. There's a lot of people who are like this. I have friends who have 50 inch HD TV's. And just use composite cables on a DVD player, with it. I know a few who still use VHS. I could still use my VHS. I still have my stuff. I just choose not too. But it's still an option.

Even when I haven't paid for the video, something approaching BluRay quality is a must for me. Yes, I do steal, but I can't buy everything, don't watch much TV., streaming is shit and poorly supported where I live and video rentals are hard to find, especially those with much of a BluRay offering. I go for 12-22GB downloads with DTS sound, thought when not available I'll go for a 5-8GB 720p sometimes DTS sometimes AC3 or DVD copies of the same size. This is still much better than anything streaming can offer.

This didn't need to be asked. Thread should be locked, the op banned, and chemically castrated.

To each their own I guess. I have rebought a lot of movies and have discovered tons of new details I had missed on DVD. Surround sound adds a lot to immersion for me, but yeah you need at least 5 equal speakers for good effect and a standalone subwoofer, none of those nonsense sattelite speakers or surround sound bars. The blu-ray of Akira sounds amazing, and stuff like Master and Commander makes you feel like you're in the middle of a storm at sea. Odd that you want holograms for better immersion, yet not better definition and sound that can provide a similar effect.

But yes there is a big not care factor. When I walk the dog at night I can't help but notice the big ass tvs hanging in peoples living rooms with stretched out SD content displayed on it. People will buy bigger tvs but not any content that makes use of that, it's baffling to me, but whatever.

I still watch DVDs sometimes on my old CRT tv. Part nostalgia, plus some movies don't have blu-rays or aren't worth rebuying. 1080p blu-ray is still far from ideal for me. Too much pixelation in action scenes, 8 bit color has it problems too, or maybe some movies aren't mastered very well that color banding is still an issue. It is enough for my Ghibli collection though. Big upgrade from the dvd's, yet they look good enough on blu-ray.
Most remasters won't really benefit from 4k, less pixelation during high action scenes and slightly better color will be about it. The few 70mm movies will benefit most and any movie shot on 4k forwards. It's a shame Lotr was made in the early days of digital movies, the 2K master already looks pretty blurry on blu-ray, while Lawrence of Arabia looks stunning in comparison and will benefit from 4k.

Anyway yes, I realize the masses won't care. They went from DVD to Netflix. Luckily there are still enough people that care to drive the industry forward. Blu-ray sales will never be as big as DVD but it's still a bigger market than digital movies purchases.