There are a TON of reasons why (to me) they illustrate a failed developer project, but I won't get into those. Instead, I'm picking just one reason which I feel, if it were the only reason, would be wayyyy good enough to justify revamping them. They are plain ridiculous. They make a joke of the game. Close your eyes, take a deep breath and imagine a Harrasser, what is he doing? Running around like a lunatic, bashing into sundies trying to run over infantry, suiciding "cause it's fun" and generally completly ******** stuff. Sprinting around the battlefield, up slopes to get that big jump. Now I'm not saying PS2 is a realistic war simulation, and I wouldn't want it to be either, however Harrassers today are pure arcade at the expense of coherence, immersion, and plain and simple basic realism. Of course unrealistic behaviour happens in all vehicles, we're not real soldiers, this isn't a real war, and it's not even a realistic simulation. But there's a difference between the behaviour of players in any vehicle, and in Harrassers. Make them more coherent, less "arcade style reckless fun" and more "we're in a war here fighting for this or that (base, lives, alert, whatever).