Earlier quoted context omitted.
Usually the L stands for Libre indicating full freedom of usage of the software and that is not just "free" as a price tag. https://www.gnu.org/philosophy/floss-and-foss.en.html
Ok, this one’s baffling, especially learning at the end that FLOSS is bad because it’s meant to de -emphasize the “libre” part. All OSS software is inherently without cost, that seems unquestioned here. So free only ever means one thing to non-laypeople, in this context. So isn’t FOSS already the neutral middle ground between OSS and FS?? Regardless, I’m struggling to conceive of how a piece of software could be OS b…
Open Source was a later "rebranding" of free software by some people who fell out with Stallman and wanted to emphasise more the practical advantages over the ethical ones. Stallman wasn't happy because he felt (and still feels) the most important thing is that each person should be able to do computing freely.
Anyway, long story short, free software is nothing to do with cost. Horrible acronyms like "FLOSS" are to try to make everyone happy.