Dave Stadt wrote:

that said, with increasingly restrictive insurance requirements, this
might very well become a thing of the past,

While much of the bogus additional currency rules are blamed on
insurance, most of it is stuff that the flight schools make up for
their own benefit.

I have no reason to doubt what you are saying, but I cannot see
the benefit for the flight school of arbitrarily restricting the
number of people who can fly their aircraft; an aircraft that stays
on the ground does not do much good to their bottom line unless I am
missing something.

--Sylvain