I remembered from a symposium I attended around 15-20 years ago where it was explained the term general welfare in the preamble meant the general welfare of the nation.
Precisely. The founders would have found the notion that government can do anything those currently in power deem to be for the best to be anathema.
Well, I was at a seance last night and had a very deep and long conversation with the Founders on this very subject, and they just laughed at your "interpretation".
"You mean these guys don't think we know how to use the English language?"