Quote Originally Posted by Flickerdart View Post
Of the various schools of monster design (who never talk to one another and never admit they exist) there seems to be one that likes to make punching bag monsters. Reasonable-sounding offensive abilities, easy to hit, but a metric ton of beef. Raw hit dice stacking is an easy way to turn any monster into a punching bag monster, and WotC likes them a lot because players get to feel accomplished when they hit the thing, but can't one-shot it to take away that satisfaction from the other players. The same works the other way around: weak attacks threaten a PC without one-shotting them.

For obvious reasons, these monsters make terrible PCs themselves.
It's not a terrible idea in terms of monster design, I'd say, especially since most monsters weren't made to be PCs in the first place.