The only real one was the mass reporting to ad companies doing considerable damage to Gawker's financials, leaving them pretty defenseless when the Hulkamania came to fruition.

Hulkster probably would have killed them anyway, but in that interim it was a solid blow. Its why Reddit had to make rules against "organizing" like that, which would end up driving most of those coordinated campaigns from the Left onto Twitter and Discord instead of places like SRS and the like.