"sp" == sockpuppet writes:

sp Why is it that a PPL is obtainable without basic spin recovery
sp demonstration? What about inverted recoveries?

For the same reason that two-wheel drifts, skids, and so on aren't
required for a normal driving test.
--
We, on our side, are praying to Him to give us victory, because we
believe we are right; but those on the other side pray to Him, too,
for victory, believing they are right. What must He think of us?
~ Abraham Lincoln