Have you ever been around high level competition? Sure, there are a few bad seeds out there, but there are also a lot of people who are doing nothing but good work for a lot of recruits as well as those who will never sniff a scholarship. Most of the time it isn't about getting paid, but everyone seems to remember those type of guys rather than the good ones. Those in it for the right reasons, who enjoy it, give a lot back and positively influence these guys far beyond whatever field.
His father, if what is being said is accurate, has been doing this a long time. That right there almost certainly indicates that he's in it for the right reasons as those who aren't are fly by night types.