It (aeros) will make you a far more competent and confident pilot than those trained in avoidance who do not know what lies beyond.
Agreed. It will also teach you to fly by 'feel' and not by numbers so you are far less likely to inadvertantly go into 'departure', even with your eyes outside, where they should be when flying VFR.
The lack of aerobatic training aircraft and the almost total lack of instructors who can do it, however, is a problem.