It's a valid point in his case
It's not unlike how Shatner has carried on all these years either. At a certain point no one would want him for heroic work, so he's been surviving on getting laughs being the pompous smarmy guy that people have labeled him with
3rd Rock From The Sun
Shit My Dad Says
Shatner likes broad comedy, farcical stuff. Just like in his dramatic roles, he likes to really push the envelope.
Oh, and don't forget Airplane 2. And TJ Hooker.