The script for T2 has a lot of problems for me. I'm not really sure I buy Sarah's "transformation" into the thing she hates, when she tries to terminate the inventor of SkyNet, for one thing. It seemed unnatural and forced, just to make an unnecessary point. Arnie talks entirely too much in this movie. When John Conner called for help and the Terminator was about to kill the guy who came over, that moment had some genuine tension and potential.
Everything else in this movie was just action set-ups, where you kind of knew they would either get away, or what was going to happen next. It lacked the killer instinct of the first Terminator, where Arnie's not screwing around. You're going to get killed, it's that simple. It made the first one much more exciting, despite its budgetary limitations and datedness. But even the datedness works, because it's time travel, specifically to that era. I don't know, T2's very slick and polished and I do like that. But it seems less urgent in its attack and less sincere in its intentions. It's just there to cash in on the first and that's it.