No one respects the do not track so it makes sense.

sending the Do Not Track signal may impact your privacy.

They already send your graphics card name, driver version, installed fonts, screen resolution, browser window resolution, its absolute position on screen, your local network ip, local time, languages installed, orientation sensor, and a million other things.

But somehow a simple flag like DNT is a priority for Mozilla?

Liars

DNT is now a deprecated web standard.