Sometimes folks just move too fast for their own good.
"Imagine that you have 100 BTC in a segwit address and a few days later you notice that they’ve been transferred to an address that you do NOT control. You try to find the signature that authorized the transfer to prove the theft (you’re sure your private keys were secure so you think the signature must be bogus) but conveniently nobody seems to have it saved."
Yuck. CORE with 2MB waiting on Mimblewimble was the answer. Sure, forks are healthy, until they are not.
BCH (by default, another yuck), ETH, Verge...