This dump was triggered by the battle of the hashes. If we remove bch and bsv from having any value it would discourage more pointless bitcoin dilution, and prevent further hash wars.
Failure to act will cause more similar situations in the future
Bitcoin is not dying that's how cryptocurrency works it is volatile if there is a bear there's a bull. Nothing to do with the drama between this two Fork, they keep fighting but they can easily claim both coins.