Acutally if a hostile fork happens then almost the whole network will reject the invalid blocks
They could fuck up bitcoin really bad.

They could fuck up bitcoin really bad.
Yes, 91% of nodes will reject BU blocks and ban all nodes relaying them -
http://luke.dashjr.org/programs/bitcoin/files/charts/software.html
Jihan is either bluffing to renegotiate (not going to happen) or he is serious and hoping that 91% of nodes will suddenly switch to BU (also not going to happen)