Another area of importance is airmanship. I find colleagues who fly little aeroplanes a lot, or who spent a lot of time instructing in flying clubs have far better airmanship and mechanical sympathy than those who just did the 200 hr frozen ATPL course and straight onto a jet. Few skills cross over between the jet I fly (MTOW 45 178kg) and my weekend toy (MTOW 670kg) but awareness of weather, traffic, airspace, systems, and procedures all seem better built on light aircraft and then caried over to the bigger stuff.
SND