The President could stop this at any time. All he needs to do is pack the court with more justices to rebalance it. Not doing so makes him complicit.
They made the case for removal twice against Trump. It did exactly nothing.
Unless you have 67 senators willing to remove them, none of it matters. And right now, I have a better chance of getting blown by every one of the Dallas Cowboys cheerleaders in alphabetical order than getting 15 or so Republican senators to be willing to remove one of their own.