I think he's very much an elite fighter personally
Skill isn't the problem with Lee
Which is positive. The holes he's demonstrated are fixable, a lot harder to make massive leaps in your overall skill set
A mature Lee who manages his energy intelligently, who fights with a calm patience, that merges his arts together with fluidity and timing is a scary man.
Up until now he's only showed glimpses.
He has the skill of a young gsp but a big part of what made gsp great is he had those other elements. Though to be fair it also took George's time before he really found the formula too