<< A) It's not his to change. If they wanted to allow him to change it, he would have the source code. >>
technically true, you are just licensed to use most software, you dont really 'own' it, but whatever, no point in getting in a fight over software licensing, just a matter of personal preference.
<< B) Things like that eventually lead to strange problems. >>
yeah probably, but thats the point of being a computer dork, to tinker and sometimes mess things up, it happens.
i just figure the guy wants to know, why lecture him, just tell him what he wants to know.