Seems he wasn't at all contrite and the now-deleted "apology" was meaningless.
Kyle Gass of Tenacious D has deleted his Instagram apology following intense backlash over a controversial comment about former U.S. President Donald Trump during the band's Sydney concert. The fallout from Gass's joke led to a domino effect that saw Gass dropped by his agent, and the remainder of Tenacious D's tour was canceled.
Jack still shills for Biden and is one of his fundraisers, so fuck him.