>most Engineers can't logically rationalize giving something away for free to someone who has done "nothing" for them.

You're not the only engineer who feels this way. Thanks for your story and a great suggestion on how to help ourselves become better people through service to others.

Solving a technical problem gives me an ephemeral and fleeting feeling of elation, which I admit is nice. The positive feelings I get from assisting someone, however, persist throughout my lifetime.