Freedom of expression is a thing. And while freedom of speech does not mean freedom of consequences (a concept I absolutely believe in), those consequences have to be in line with other basic rights. In this case, this would be the right of security at your home, protection from mental and bodily harm among others. A mob, online or not, is nothing that society should accept.

Putting the blame on Lolcows is classic victim blaming, and a capitulation before an online mob. Quite often actively or passivley supported by courts, judges and police.