> The Osprey can deliver Marines to battle more safely, ...
Debatable. Jumping in is safer than the MV-22, based on
it's record to date. The MV-22 might become safer than
parachutes and existing helos, but it will have to prove
it by building a record.
> ... bring them reinforcements over greater distances in
> greater numbers, ...
Debatable.
> ... and evacuate wounded more quickly.
True, and that points to the real advantage of this thing,
(if it can establish a credible safety record). It can
exfil (not just wounded) faster than anything else in
the inventory. Ideal for quick-turnaround missions at a
distance.
Only to neophytes without the benefit of actual knowledge about the topic.