A basic evaluation isn't testing the elasticity, hydration, weak spots, tension - all things that indicate a HEALTHY pelvic floor rather than one that is properly engaging and disengaging.

Plenty of folks just learn to do a proper Kegel and they are good to go, so if you feel you are doing them right and your PT says you are doing them right and you are satisfied with the progression then that's all you need.

I tend to take things to the extreme and understand the science of what works and doesn't - this doesn't have to translate to "you must do this" because that's up to you to decide - sort of like the discussions here on if you should eat chicken or eggs, it's all personal belief and preferences.

But if what you are doing does NOT work, perhaps look at ways to do it differently and maybe you'll find that butter zone that works for you.