RE “...because he has the financial and other resources to fight back ...”
And there, in the proverbial nutshell, is why he’s able to weather it. Plus one more thing that needs to be considered: He has the WILL to fight back, and knows how to do it; and he’s not about to let the GOPe tell him to stand down.
The other thing is he doesn’t carry baggage that the media can latch onto.
No illegitimate kids, no embarrassing drunken episodes, no drug use, apparently treated his employees well, family man .... he’s the media’s nightmare, untouchable