A lot of people are going to disagree with you if you claim that prescriptivism is somehow more correct.
A lot of people are going to disagree with you if you claim that prescriptivism is somehow more correct.
We have a precise, technical definition of open source precisely so we can judge when a license satisfies the legal freedoms that open source demands.
Categorizing certain phrases as "technical terms" to which different rules apply is just another form of linguistic prescriptivism, after all.
Microsoft knew this when they wanted to jump on the bandwagon and named their own license "Shared Source Initiative" (https://en.wikipedia.org/wiki/Shared_Source_Initiative). It wasn't open source, it was "Shared Source", because it didn't comply with the definition of open source.
Words change. The coiner has no more real authority over them than anyone else.
Related, the definition of gif has actually changed for some. Instead of a specific file format they use the term to mean "soundless looping video". Admittedly even I have a hard time swallowing that definition.