AXs and DEs are great for getting seat time; for learning a course or a new car. They will NOT erase incorrect driving techniques.
IMHO, it's best to learn proper high speed driving techniques from a qualified instructor.
Once one learns the basics, then any further driving events aid the driver in mastering these techniques.
And just to be CLEAR, drive with your brain..................
TO
p.s. I thought alangning's post was a hoot!