i think you're right, personally i always thought they sounded to dissimilar to be rivals
and blur were a bit more wacky and had a laugh in their songs and vids.
(
Rattlehead all time with the gay, forever touching,
Tue 9 Mar 2010, 21:33,
archived)
Blur were definitely the eccentric intellectuals,
Oasis were populist musical simpletons.
(
Moon Girl Technologies horrendous beanbag,
Tue 9 Mar 2010, 21:41,
archived)