I've pondered some more and it feels to me they're acting like people who have recently gotten out of a cult.
Harry, having spent his entire life within the Monarchy (which is a bit of a cult, if you ask me) is now free and doing whatever he wants. Which apparently pisses people off. Which I...
It truly baffles me that people get so wound up about a couple of publicity hounds whereas a bloke who allegedly, maybe, some might say, possibly.... y'know....seems to get a free pass.
Madness.