If you get banned from OpenSea but still want to sell your Bored Ape, you definitely still can, and almost certainly for whatever the market rate on OpenSea is.
There's a few more NFT market places you can sell it on? You can try selling it P2P? Opensea is reliant on the NFT marketplace/culture, not the other way around.
OpenSea is a DAO, so if they:
a) voted an NFT out: well, people against it would move to an other platform and still have access to their NFT.
b) somoeone on the front-end deleted access to an NFT: they would probably move the front-end somewhere else.
Then you sell it on LooksRare, which many ape holders apparently already use due to the lower fees.