Anybody who is discouraged by installing an application obviously has no business using a terminal. It won't ever be installed by default on a consumer oriented device, unless it is well hidden.

Regarding who would buy the phone if it's not MeeGo? Same as who would buy it if it was MeeGo: Those who want a great out of the box smartphone and are not too concerned with politics or platforms. MeeGo just isn't significant enough yet to make a difference one way or another.