I'm not sure your own single point anecdote is enough to counter their own experience and indeed comes with all the same "danger" that you warn about.
Your own story is also a dangerous anecdote. Without the context, it's pointless to talk about how amazing your Ph.D. experience was. Study engineering or quantitative marketing? Most likely miserable. Study humanities? Probably happier.
Regarding happiness or a Ph.D. being an amazing experience, I didn't say a word about any of that. Those seem to be some very strong assumptions around marriage/kids = happiness or engineering/marketing = misery that you're making.
I don’t think the person you’re replying to is implying their anecdotes are more valid, but that all anecdotes can be contradicted by opposing anecdotes and thus aren’t enough to make sweeping statements.
That does not sound very bright. Valuing equivalence over other attributes makes the math work against success.
Seems like the relevant quote here.
It reads as they're great and there's not a lot of people as great as they are when in reality it's probably more like the overlap between the set of people they desire and the set of people that desires them is impossibly narrow. This sounds like a tough personal problem that they can 100% work through by looking in the mirror and working on themselves.
I'm too great to ever find someone as great as me is frankly a piss poor attitude and outlook on life and I feel really bad for them to be stuck like that.
You could also simply have bad luck compounding the issue. Stuff any amount of effort or masquerade won't fix, like being a short man (inb4 "I know this small guy that...").