For any serious computer usage, where the computer misbehaving in anyway can cause expensive/embarrassing/dangerous issues, overclocking is a VERY bad idea.
Exactly. I don't see you jumping around in overclocking threads cautioning people about the dangers. Delidding can be an even worse idea, but you say "if you have to ..." in spite of overclocking benefits being not too great. Why the kindness towards PSU modifications?
People take risks. If they make mistakes they pay the price. There are many more risky things being discussed in these forums and others. Open your eyes and save the world. This thread is not a big deal.