I'm of the opinion that GFL takes precedence over Reverse Collapse, primarily because the Reverse Collapse: Codname Bakery (2024) was made with GFL1's more detailed and etablished lore in mind, while the original Codename: Bakery Girl (2013) is arguably more used as a donor for GFL's world and narrative foundations.
It also really doesn't help that Neural Cloud's full name is Girls' Frontline: Neural Cloud, not Reverse Collapse: Neural Cloud. Same for Girls' Frontline 2: Exilium.
I don't think people are arguing that Reverse Collapse or Bakery Girl aren't important, but they don't command the subcultural power that GFL created in 2016, much less the lore that people tend to primarily refer to.
Like, if the argument is that GFL was spawned from Codename: Bakery Girl (2013) and the importance of Reverse Collapse: Codename Bakery (2024), so it should be called Reverse Collapse because of it, then couldn't it be argued that "The Girl from the Bakehouse" (2009) would be a preferable due to the fact that it is the oldest known piece of media that was the foundation the Codename Bakery games?
I think that changing the GFL tags for Reverse Collapse doesn't help people find what they're looking for, and as important as they are, they're much smaller parts to the GFL universe/narrative.