> but ALL class action or settlement related emails get automatically chucked into to my gmail spam folder

Every now and then I get a glut of “if you bought X in timeframe Y you might be due a pay-out” junk mail, so this might be genuine false positives rather than something more sinister.

Though the cynic in me, that has been right so many times over the years wrt corporate behaviour, is inclined to agree with your much less generous assessment!