Michael Gira of Swans is on record as an admirer. This probably won't come as a surprise since the two bands have undeniably influenced each other.
Jay Baruchel has stated in interviews that he’s a huge fan of the band.
Danny Boyle has also mentioned that he was heavily insipred by Lift Your Skinny Fists Like Antennas to Heaven while filming 28 Days Later,
No Hit Wonder: GYBE have only ever released one single, and it was distributed with a fan magazine. Despite this, they have a large fanbase and receive heaps of critical acclaim.
Old Shame: All Lights Fucked on the Hairy Amp Drooling. The band have made it very clear that it won't be reissued for this reason. And you can't even Keep Circulating the Tapes because nobody's got one to circulate.
A tape actually did surface in 2013, but Fan Dumb drove the person who was going to rip it away from Reddit by being assholes. This is perhaps the single most defining example of Why Fandom Can't Have Nice Things. Two songs did surface and are confirmed to be genuine.