Tyranny? Nope, sorry. People who use Apple products considered their options, and chose Apple. If they regret their decision, they can dump it at any time. If you call Apple tyrannical, you’re using a definition of the word so loose as to strip it of any real meaning whatsoever. Something along the lines of:

Tyr-an-ny (noun) \ˈtir-ə-nē\
Displeasing to Eric S. Raymond