Of course things get fixed. And they don't bring the system down like they do in Ubuntu and other Linux distributions.
My system is still crashing consistently with a fully updated 10.0.
It's only a question of time before I find something which crashes 10.1.
They don't bring the system down in Linux, either. Stop spreading FUD.
FreeBSD sometimes completely stops booting on your hardware or turns unstable for no good reason. (search on google for posts from people who can't boot FreeBSD 8.x on hardware which was running 6.x or 7.x without the slightest bug)
FreeBSD can crash your system because of an unstable driver after a major upgrade like 9.2 to 9.3.
You can see they're right, "FreeBSD doesn't take your system down like Linux", it's much worse.