> Specifically, it means that a user is free to run the program, study and change the program, and redistribute the program with or without changes.
if one user bought a copy, the license allows them (encourages them even) to redistribute it however they see fit, including say selling it for one cent less than the original, or simply giving it away for free. All the license requires is a single seminal user, and from that point onwards, “free as in free beer” is enabled by “free as in free speech.”
What a weird cosmology that leads to - you create a product, which everyone wants, and you carefully evaluate what the maximum price you can receive for it is - which is paid to you, by the luckiest person alive, who in turn distributes it to absolutely everyone for free, for the good of all.
This is feeling real worldbuildy.