Shocking that I am going to chime in here eh? :heartluv:
While Oasis did not maintain their success in the US they still do sell records here, and are legendary overseas and sold out stadiums even when their fame waned in the States, all the way until their "retirement." I'm not naive because I'm a fan though, their pompous image blew up in their face in the States. They're not the first rock band however to have played that card, it just didn't work out in their case there, but they still produced great music. Not only that but their last two albums, Don't Believe The Truth and Dig Out Your Soul are fantastic. Sure, Liam and the rest of the most recent incarnation of Oasis play now as Beady Eye and Noel has his solo project, Noel Gallagher's High Flying Birds but I don't doubt that they'll get back together or as you said play a few gigs here and there. I actually have been really enjoying Noel's solo work myself.
Sure, I'm biased but I actually was pretty young when WTSMG came out and came to appreciate their body of work much later after jamming with friends, playing their most famous singles and deciding to do a little more homework and became a big fan.
/Fangirl Rant
That said, yes I'm also big 90s music fan myself. <3