Not to downplay Pfizer's role in logistics here, but they didn't really develop the vaccine. They're the logistics+manufacturing branch of the joint Biontech-Pfizer venture in this, while Biontech did the RND.
Bottom line is they want the company to be successful, so their long-term plan is to profit from making drugs. If they lived in a socialist economy where no such profit was possible, they would not have bothered, and then there would be no cure. If that is the world you prefer to live in, you have options (North Korea, Cuba and Venezuela currently, the rest having collapsed or transitioned to free market some time ago).
Given the timelines and uncertainty, I don't think 1B and 1.3B are materially different. Both require 2 doses per vaccination.