The OP said the Mandela effect [1] which is definitely about the past event. Anyhow, I'm okay with Codeberg's decision (I'm not even its stakeholder, so what can I say about that anyway) but it has to be honest about the intent. If its definition of "F/OSS" has changed, do say so.

[1] https://en.wikipedia.org/wiki/False_memory#Mandela_effect