Testing your glide. Are people doing this?

In article ,
Really? How do you know that?

As a flight instructor who does a LOT of BFRs I find that the vast majority
of pilots perform emergency procedures, stalls, and other maneuvers quite
well.

That's good to know. On balance, do you see any difference between
owners and renters? Does the owner's extra familiarity with the plane
make any practical difference?

LOL, so you think owners make better pilots than renters just because
they own a plane. A fair number of owners fly very little, these lease
back their planes to FBOs so to keep it in the air.
I know this is semi-OT but renter v owner has nothing to do with being
a safe/good pilot. Most people are most familar with cruise because
that's where they spend most of their time during flights. But I would
say that ~50% of the pilots _I_ know (not a random or presentive sample)
go out and do stalls, T&G, slow flight, etc. And they're all renters