If you don't use a CHA main, Just use Wyll and take the persuasion expertise from his pact upgrades.
As I said, that's not the issue.
I know how to work around the limitation now that I know it's there.
I just find the implementation annoying and I don't understand why the check couldn't just be made on a "party's best value" or rather "party average".
Encouraging the player to metagame the shit out of the UI and micromanage characters is never particularly great.
