"weird old felon" is just you being nice b/c there's a thesaurus of applicable terms that would aptly apply.

It's not even that faux Mob Boss lil-donnie 'doesn't understand', it's that his dementia has him unable to understand and doesn't allow him to separate his fantasies from reality.

Have to stop now as i want to not 'go low' b/c i can't 'go low' enough to reach his level.