Getting 6 nines uptime costs money, if you make that investment in infrastructure/staff then you deserve to make it a selling point.
Certainly, and I don't see the OP arguing against that. The OP just seems to be saying something that's analogous to the old schoolyard ethic of "don't kick someone when they're down".
If I can win customers by pointing out that company X is having problems and you wouldn't have those problems with my company (or at least would be less likely to) because we have superior infrastructure etc then I think it's perfectly fair to point that out.
If OTOH they are suffering as a consequence of some retard-spasm of the internetz that could just as easily have happened to us and more crucially is more likely to happen to us if 4chan get their way this time around.
OTOH I can certainly see an exception when it comes to what is effectively digital terrorism.
There seems to be at least some belief that Adria was let go at least partly to stop the fallout from the DDOS attack.
You can't let 4channers get the idea that they can set policy decisions that affect others and ultimately have nothing to do with them.