Picking nits is fine, but this seems like an irrelevant nit. Like I at least get the argument about calling Linux GNU/Linux, even if I don’t care… but this one, I’m not sure why anyone would care.
2. The name is not "X Window".
Citation: See the June 1988 "XNextEvent" newsletter, The Official Newsletter of XUG, the X User’s Group, "Things That Happen When You Say ‘X Windows’", for the definitive list of its official names, and the dire consequences of getting it wrong:
Cringing intensifies.