How to Not Make Your Users Feel Stupid

I guess people behind websites or applications cannot help, unintentionally, put the fault at users when things get screwed up. But the trend now is to make the users feel good about your application, as the words of Kathy Sierra, it is about 'creating passionate users.'

Below is how firefox take a problem in their browser in a light mode, humorous way:

It is not about overindulging the end users. It is the simple rule your kindergarten teacher taught you as a kid, "Be nice."