Looks rad

An eternal dilemma. MoodyFerret has been struggling with that one for half a century.
Go one way too hard, and it looks like you've put a giant animal in a civilized setting, lean too far the other way -- and the animal quality turns superfluous and redundant, as the characters become overdressed, uncomfortable-looking humans for all intents or purposes.
So, no good answers. But no bad ones, either.

It could be a good concept for a themed video account -- a string of completely straight-faced essays on ridiculous topics presented as sprawling, timeless cultural narratives and philosophical conundrums that every historic figure has had a take on.

Hmm
I often pick the compromise between the two, extend the fur into manes following the natural hair flow and style these because I think human hair added as-is often looks like a wig (especially if it's completely different color than surroundings) but that's just personal preference

We need to call it the furret, or the mellet

Yes. Mustaches on the other hand are a crime imo

I'd prefer with it.

Clearly a ferret could rock a mullet. The proof is right there in the thumbnail!

in my experience the temptation to give human hair grows exponentially with each additional OC of the same species you create. it just makes differentiating them so much easier

XD

I guess they actually can rock the mullet.