Its good advice.
I think everybody here gets caught up in the competitive atmosphere of this sport. Gotta build more, cut more, lift more, lift harder, get better...
Its when this drive makes you lose sight of what is the most important part of this lifestyle - health - that is the problem.
Whenever i hear about stuff like this it really brings me back down to Earth. The fact is that no matter how massive you get, no matter how much weight you can move, you're still human and therefore fragile.
Gotta know what you're doing, nothing is worth jeopardizing your health, and especially when this sort of problem could be avoided by simply learning about what you are shooting into yourself.
Wishing your friend all the best, hope he comes through this a more careful person