Your rep didn't drop from your latest post, it was from the other flags (on comments I believe).

Steem is decentralized, no one can kick anyone off. You can downvote them and in extreme situations they can be hidden from the Steemit UI but still visible on other front ends.

The sad fact is we have a lot of unstable immature people here and there is no way to do anything about it.

Seeing your post here where you call buildawhale a scumbag and pedophile, I'd flag you myself. Buildawhale has nothing to do with bullionstackers and people who call people they don't like pedophiles are morons.