What are these rules? Say for instance 51% of validators decide to include a malicious transaction inside of a block, what rules would that be breaking?
who cares?
As far as I can tell, a majority that wants to block a vote can do so freely and the only resolution is a fork where people just assume that the honest fork will win out.
I also think it's not a majority but actually just a little more than a third to block a vote for eth