Yes, some of them definitely are the kits we've seen before. You have to remember that some of the idiots who pretend to write for websites and magazines play one RPG (or alternatively, read the PR material on one RPG) and think they know enough to speak with authority.
The wizard sub-classes are simply the kits we've seen before.
The clerical sub-classes, on the other hand, are new. Each division has its own characteristics. Can't speak to the rangers, and I never rolled up a paladin in BG2 or IWD1.