All three of these are bands with singers that alot of people hate.
Dave Matthews Band - *I* always hated them, but I remember them being very, very popular in their heyday, and my dislike of them clashed with popular opinion (although I knew other people who hated them too). I assume they still have lots of fans, who are now mostly in their '30s and '40s. I don't hear enough discussion of them to gauge whether alot of former fans have soured on them or whether people who didn't grow up with them all hate them.
Pearl Jam - They always seemed like a pretty good band that I never got into. I know that lots of people hate Vedder's voice, so the band gets their share of hate, but they were one of the huge bands of the '90s. Again, not what I would think of as "universally hated."
There's a divide between people who think they were at their peak with their first few albums and people who think they got better a little later, right?
Rush - I like them, and I've definitely known people who were really hardcore fans of them. I got into them, cooled on them for a while, and then got back into them later. For portions of their career they were frustrating because they were too good to be just a singles band but the albums were still pretty patchy. That's less of an issue in the post-physical-media era.
Geddy's voice was pretty ugly early on, but he eventually calmed down.