“General Welfare“ is quite simple
Do what is best for We the People
Exactly....and not “do what is best for certain people”
Right. "General welfare" was just an additional constraint on government (not a fucking "implied power"). It was saying that government couldn't collect taxes for the "specific" welfare of certain people. They had just rebelled against a king who used taxation to enrich himself and ignore his subjects.
General Welfare means....just do what is best for the people
Nope ... it's a modifying clause, attached to the taxation power. It doesn't mean "just do what is best for the people". That's unlimited government power - every liberals wet dream.
Read the Preamble
We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic
Tranquility, provide for the common defense, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our
Posterity, do ordain and establish this Constitution for the United States of ...