The only difference between him and Frank Spencer, Frank didn't have the internet to ask.
Andy
I get your point... but he is asking. Should we decline to answer? Who benefits from that? Definitely not the people paying him.
Personally, I would rather help someone that asks- yeah, they should not be taking on chargeable jobs, but ultimately without help he might make a complete mess. By helping him, I consider that we are helping his customers.