I think your assumption that everyone agreed on your definition in the first place is incorrect. Words are fuzzy, most people don’t look at dictionaries, let a

I think your assumption that everyone agreed on your definition in the first place is incorrect. Words are fuzzy, most people don’t look at dictionaries, let alone OSI or FSF definitions. A word changing usage often just indicates the meaning was never as precise as you thought, the distinction just hadn’t yet mattered.