Yes, because making a vaccine for which there are over 7 billion customers that need it is absolutely the same as selling whatever. Production capacity is so far below what is needed that any vaccine manufactured in the first year or two is guaranteed to be bought.

In any case, the question at hand was whether or not the US admin funded Pfizer, and it did not. It gave them assurances, but so did many other entities ( like the EU), so the US really cannot be hailed as some sort of visionaries that made the vaccines possible with their generous help ( which was what GP was claiming).