I think it also has something to do with extremely loud mastering since the mid-90's. Many remastered versions of classic albums sound as boring as the new ones.

It's very hard to find a mainstram album with good sound quality nowadays.
Take Metallica or Red Hot Chili Peppers as example. They had some of the best produced albums in the early 90's and some of the worst produced albums in history in recent years. But the songs itself aren't that bad, it's the mastering that ruins everything.

I don't listen much to pop music, but the Bruno Mars albums produced like the original mastering of Michael Jackson's Bad (2001 SE and Bad 25 suck) would be amazing.

I disagree, I agree that a lot of it is horrible.. But a lot of it isn't .. There are some good pop songs.. Teenage dream the song is a classic pop gem, and I
don't give the credit to Katy Perry at all since it isn't completely her song.. But lady gaga is truly truely underrated/underappreciated for living up the pop industry.. And her music is always great

Last time popular music appealed to me was mid 90s. I think majority of everything is sub par. The issue with music is you have to hunt for bands that appeal to you, radio and television are no longer options so fortunately online can find stuff.

Yeah, if you're just listening to radio or watching videos on TV then all you're going to see/hear is what record companies pay to have played. There's a reason why you hear the same four or five songs in heavy rotation every time you drive anywhere for longer than 30 minutes and then you almost never hear them again. They're trying to sell you on an artist. Do your own searching.

Stay away from the mainstream, and dig deeper for the good stuff - it's there, you just have to find it.

I'm not saying your suppose to like her and I really don't care for most of her songs, but this one song is really good IMO. But theres others I don't even know the name of the singer I just hear it on the radio and enjoy it.

It doesn't suck. People always point to music having been better in the past, movies were better in the past, games were better in the past, everything was cheaper in the past and all that kinda crap which is based on nothing except bias to a specific period in one's life.

Well I think it takes a LOT of effort to find decent music released today, not just a bit. But when I finally find an artist that I like it makes it easier, like following them. 

This

I actually find it better now since we are not restricted to radio or tv to find new, or old, music that appeals to our taste.

In the 80s or 90s you would probably listen to "better" music on tv or radio but you would be very restricted since the effort of finding new bands was much more than now

Besides, I think there a lot of great artists but they simply dont have mass media access

Though he's not the only one doing it, when it comes to RHCP and Metallica that's mostly Rick Rubin's fault. That said an aggressive, compressed mix is actually suitable for certain music in my opinion, there are bits on Californication where I prefer the official release (Parallel Universe, Around the World) and others where I like the "quiet mix" you can find on youtube (Californication itself, for example)

To address the OP's point I certainly understand where you are coming from, as someone who listens to a lot of music that was made many years before I was born (I'm actually listening to The Cure right now, for example) the overwhelming majority of modern popular music does absolutely nothing for me, but people are right to point out that, even if you have to look a bit harder for it, there is lots of great new music out there.

If you can try listening to some less mainstream radio stations, the type who tend not to be swayed so much by chart positions and just play what they like because they think it's good. That said a lot of my music on my iPod is older, and if I was asked to list my all time favourite albums I think the most modern is still from 2001 (Muse - Origin of Symmetry), most well before that :)