Band's message paid homage to their rebellious path to their upcoming enshrinement in Cleveland.
Cyndi Lauper, A Tribe Called Quest, Soundgarden and more were nominated this year but didn't get in.
The Rock Hall unveiled its class of 2023 on May 3.
This year's just-announced Rock Hall class has some unexpected names present -- and some others missing.
Balloting ended on Friday, with nominees slated for announcement this week.
The legendary iconoclast's scathing FB post followed a similarly harsh op-ed from Courtney Love about the lack of female representation in the Rock Hall.
Love said the canon-making reeks of "sexist gatekeeping.. purposeful ignorance and hostility."
'So over these ole boys," the rocker wrote on Instagram.
The rocker also talked about collaborating with Måneskin on their new single "Gossip."
This is the fifth nomination for Rage Against the Machine; the fourth for Kate Bush and The Spinners.