all the altcoins dump whenever bitcoin goes down even a little.
with ETH fork there is also a high chance of bigger dumps since they already finished the pre-fork pump.
Not all Altcoins will be thrown away when Bitcoin drops, as far as I know the Altcoins that are dumped in the crypto market are coins that can't survive when market conditions are unstable, or also as you think there is a greater possibility of disposal because they have completed the pre-pump. -fork, but not with Ethereum bro