You can always scale a game down and adjust for multiple input methods.

Depends. I'd ask Chris Roberts about that and well any other RTS dev out there on what's best for their games.

Not always. An RTS or MOBA needs both the precision and speed of a mouse AND many keys for quick orders. Even an Xbox Elite controller would run out of buttons for them. The result from scaling down and adjusting an RTS to consoles: Halo Wars 2 and it's lukewarm reception.

Seriously, there's a reason why many PC exclusives don't come to consoles, most of the times it's the contol method which simply can't be adapted to a controller scheme in an statisfying way

It wouldn't be that hard to have USB keyboard support. Monster Hunter Tri had it. Mouse controls on the other hand would need each console to support mouse in the first place.

I don't think introducing support for them is the big problem here, as this can be easely made (heck, they could even sell their own keyboards and mouses) - using them on a couch is probably the bigger problem. There are accessories for that, but these are pretty large and waste a lot of space when not used, plus it's still not all that stable as a desk

Assuming that Dauntless launches out of open beta by the end of the year it could be a contender.

Kind of a weird question to ask though, one could consider a game like PUBG as one of the funnest games in recent memory but it'll be stuck in alpha for ages.

I do. Because i like playing PC games on PC. Emphasis on PC games. I'm not a console player in denial.

You have to spend a lot of money to get a PC to play everything at 1080p 60 fps though. Even more if you want to futureproof it. 1080p 60 fps doesn't impress me in the least. Saying that the PC versions are vastly superior is like saying that Original Xbox games looked vastly superior to Gamecube versions.

No its not expensive to run games at 1080p/60, majority of PCs can achieve that. My old PC made in 2009 was running games at that level and it was a 1k build. In 2017 you could spend half that and have something way more powerful.

Also all PCs are future proof, because all games are BC, weather you want to play them at max settings is a different story. 

Also note many PC games are vastly superiour. Majority of my Steam games have 4k options etc which is a massive jump alone compared to there console versions.

PCs dont need exclusives when they house the best versions of 3rd party games which is most of the market. PC gamers arent kicking themselves over 1 or 2 1st party games made by MS or Sony and most times there 1st party games are average at best.

If you can build a 1080p 60 FPS PC that will run every new AAA game like that for the next four years, then make a list on PCpartpicker and do it. Don't forget the operating system, cost of shipping the parts, and you need at least a 1TB harddrive (otherwise you're just deleting and reinstalling games too often.) Finally every part needs to be actually available to buy, and not just listed. If a part is out of stock it doesn't count. As per your post your price limit is $500. If you can do it I'll be proven wrong and pleasantly surprised.

There's far more than 1 or 2 games per year per system. Critics and fans alike agree that those games are way better than average.