In terms of in-game performance, you're going to get exactly what you can expect from the tactic. If you wanted to make a strategic decision and chose one of the tactics without knowing exactly what it does, well, RTFM
RTFM is a good way to take an informed decision (therefore I read it). However, RTFM is not the best solution if BB want the game to grow as I am sure they want. Things should be as intuitive as possible in order to atract and keep as many users as possible. Changing a concept in mid season is not intuitive.
This is especially important for those that are playing the game in a foreign language (e.g. swedes using english) as not everyone is a master of english.
I get your point, and I agree it never hurts to make things as uncontroversial as possible.
On the other hand, renaming them can also be counterproductive by adding unnecessary complications in terms. After all, as far as in-game effects are concerned, these two tactics work exactly as CT and Normal, so I see little why they would keep the names.
"I don't know half of you half as well as I should like; and I like less than half of you half as well as you deserve."