Haha they thought it was too easy and were proven wrong!
Honestly, if a place is obscure enough, even smaller barriers of entry help, like forums that don't let you post on important boards until you build a reputation. There's only so much effort an adversary is willing to put in, and if there isn't a financial incentive or huge political incentive, that barrier could be low.
I don't see irony there. I think calling this FOSS community 'filled with Linux-crazed people' is a stretch, but even then, it's very different to:
spoiler'd for long image
or even just hating a niche product whatsoever. It's not like Linux is EEE'ing or being invasive, so it's hard to equivocate being a passionate fan to being a passionate hater.