G.R. Patterson III wrote:

Even if this is not the case, if you ask a CFI why
he recommends a particular course of action, the answer frequently is that
you need to get in the habit of doing whatever 'cause you need to do it
that way "when you upgrade to higher performance aircraft".

Sometimes, though, that's the right answer. After reading the POH for the
retract that was to be the first complex I'd ever fly, I mentioned to my
CFII "so *that's* why you want me to tap on the brakes on departure".

- Andrew