Even then Yoda is probably not your man. In the Hammer Dracula Van Helsing is a very physical person. Running along tables leaping up to pull down heavy curtains etc.
Yoda is spiritual.
His powers are philosophical and defensive.
They should have made Master Conehead into a bigger character and have him brainy (there must be room for at least three walnuts in that shell) but capable of swashbuckling.
The acting and direction and writing of the love story has nothing to do with depictions of mental health conditions and everything to do with George’s actual arrested emotional and artistic development.
He thinks like an 11 year old (and sometimes this is his strength) Only really gifted actors and directors can get those thoughts to feel like something real people might do.