That is sorta the whole point.  Its so silly because its incomprehensible and thus works for whatever you need

It was necessary to spur Chidi’s breakdown. That wouldn’t happen without something so profoundly absurd and impossible to understand.

He’s just so distractingly jacked.

True, but if they’d written Jeremy Jeremy like that it wouldn’t have been half as funny, there’s something delightfully childish about Jeremy Bearimy.