No.
1UPT is virtually the only potentially good feature in a game. It's now badly implemented, but the worst problems of the game like silly diplomacy and bad balance have nothing to do with 1UPT.
Yes.
1upt is actually one of the most flawed design elements in the game. Not only is it badly implemented, it also conflicts with a lot of other game elements as city placement, map set-up, building speed, research speed and diplomacy.
I think this "tactis to strategical game"-speak is just meaningless semantics. The point of 1UPT is that it could potentially make war more interesting. That would be a major improvement, as war has always played a big role in Civ, and it has never been very deep or interesting.
I think this "tactics to strategical game"-speak is very spot on.
A tactical combat system will always suffer on a strategical map.
In addition, Firaxis not only was never knows for creating particularly good combat AI's, but the one which they have presented now is plain brain-dead. There isn't any indication that this will be changed significantly. Even less, as the company of Firaxis is now concentrating on Civ-Facebook.
Sure, there may be a part-time guy still be allocated to after-sales support, but that's it.
Each "patch" up to now not only hasn't significantly improved anything but introduced unexplainable new errors.
Given the way in which maps are created, how diplomacy works, how the economical system works, how unit movement works, the combat will always be about the cities (although we were promised to have the combat take place in the countryside, to see "fronts" at the borders - well, that of course was promised before anybody could check about the trueness).
Given the current parameters, this fight will always be "melees to the front, ranged behind, mounted to the sides". And due to the scaling, this will end up in a mess for the AI.
The combat system cannot be significantly improved without a complete overhaul of almost any other sub-system in the game. Sad maybe, but true.