This is a good example for illustrating the different tastes people have in games.
By the 12th or so tactical battle it had became a chore to play because you just did the same thing over and over.
I loved every tactical battle I played in XCOM, it was the strategic portion of the game that killed it for me. I absolutely hate it. It ended up being a gamebreaker for me.
I mean I admit the bomb defusal and the citizen escorts added a nice spice to it, but those were fairly few and far between.
In contrast, these are the only tactical battles that I absolutely loathed. In my view, escort missions and timed missions are the laziest, lamest, most horrid way of trying to add variety and artificial tension to a game. I would like to find every game designer who ever added them to any game, and beat them with a whiffle bat until they see reason.
So yeah... two very different opinions of the same game. 