It's difficult to say, because until the thing actually launches, it's hard to gauge how the larger (casual) audience will react to it. How much do people outside of the core gaming enthusiast crowd (those who follow E3 news and talk about this stuff on forums, like you or me) actually care about Microsoft's new policies? The used game policy is just one part of a larger, interconnected web of a policy, where internet connection is mandatory at least once a day, and not only will be there restrictions on trading in games, but for lending, borrowing, and renting as well.
If Xbox One loses potential sales because of these policies, what does publisher support even matter? Not to mention all those retail stores that do sell used games, who do you think they'll side with?