Nope, I 100% disagree with you. I handle hundreds of computers (standard, run-of-the-mill, non-ECC, etc.) for clients and I will not accept a single error, because if a single error causes a blue screen or a program crash or whatever, then that means we will have to go on site to diagnose/fix/whatever, and that costs me money.

A standard home user is in the same situtation at a smaller scale - if they have an error, in the end it will cost them time and money.