I just realized I never actually answered your statement.
They can't go beyond the complaining part because their "movement" is fundamentally a copypasta of the CAC-feminist, they just used
find/replace on all the parts that said "StraightWhiteMen" so that it says "StraightBlackMen" instead.
The problem with that is that since the feminist movement was/is a power-struggle between CACs & CACettes, with its ultimate goal being power transfer from CAC men to CAC women upending the homeostasis of their patriarchy, this cannot be cleanly applied to Brehs & Brehettes.
Mainly because us brehs haven't had a functioning patriarchy since at least the late 60's if not earlier.
Hence, we (collectively) don't have the power to change the things they claim they are being disenfranchised of.
It'd be funny if it wasn't so sad.