So, you want just to sit and watch everybody else fighting? And I thought HL was supposed to be a game. A game with a story, which you should follow even if you don't know what to do next. For that, you need other characters yelling at you.
Yes. I was playing sniper and some stupid say was running towards me and cloaking, he didn't change his direction, so it was an easy headshot, but I was called a hacker. Come on, shooting an invisible spy is even an achievment!