Only once have I experienced a full crash on android. The phone simply rebooted. No idea why.
I have never used OSX or windows after XP, so I can't say anything about them.
This was the original claim that you responded to. "by making the phone so unresponsive that a watchdog kicks in, or by using so much RAM that the OOM killer goes to town."
Crashes obviously happen on linux systems all the time. That's why this exists http://linux.die.net/man/8/watchdog and why we have reports like this http://www.unix.com/aix/106921-process-crashing-aix-due-memo... and this http://www.linuxjournal.com/article/6059 etc. Are you claiming that such a situation can't arise on linux.
The same is obviously true on Windows and OSX.
Pivoting the conversation isn't the best way to make your point.
edit - Not to mention you attempt to use anecdotal evidence to support a general claim. Such has no place here.
I was actually replying to jbrennan who said "If it's possible for an application to bring down the system that sounds like the system was poorly designed." and burrows who said "And... you've essentially discredited windows, linux, and os x.". I didn't notice what ootachi said until you pointed it out. I consider "bring down the system" to main exactly that, kernel halt or panic.
The links you provided where about processes crashing and/or processes with memory leaks, which I could in no way consider to be "bringing down the system" (unless it's a very poor system where such things actually do bring down the whole system), and it would be completely insane of me to claim that processes cannot crash on nix.
My point was simply that kernel panics or anything that "brings down the system" very rarely occur, and normally occur due to hardware errors on nix systems, and as far as I know on newer Windows systems as well (again, never used OSX so I have nothing to go on there).
Simply put: When jbrennan said "bring down the system" that, to me at least, means anything that the _only_ recovery from is a reboot of the system, no more, no less, and that is what I was responding to.