Look again.
Switching to Developer Mode and hitting Ctrl-L at the boot up screen allows you to boot from USB or SD Card.
>And, when talking about pre-installed apps that the user can't remove without a lot of effort, Android basically invented that.
This statement is so disingenuous that I'm just going to stop quoting here.
Hello? iOS? Couldn't even remove icons/apps like Newsstand off your homescreen for 7 OS versions.
You need to familiarize yourself a bit more with what you're criticizing lest you sound like a head-in-the-sand zealot.