Wouldn't supprise me if there is multiple big player saboteurs within BCH. Heard rumors some other coins were token over by multiple saboteurs (Monero ect.). Hence the big splits?
IMO we must avoid a split. We can't split continuously
They can't. Let miners decide and go by majority hashrate. We can have a minority chain but I think it's not a problem if it's not that big. Bitcoin Clashic for example.
Pre-consensus does not change consensus rules. So, even if one client implements something like that, the network is still working on the same consensus rules.
1) So let's say some miners use pre-consensus and then others don't. Then a miner not using pre-consensus includes a tx (potentially double spend) that was not agreed on in .....