When the hated big guys move, there is always the suspect that somehow, somewhere, somebody else could have done it better, or with less externalities or with less publicity or with less branding or in a way that it's local.
It's not the act itself which troubles people. People will always find a way to hate on Zuckerberg, Bezos, Brin or Gates.
Now that Netscape went belly up everybody suddenly imagines a world where if only Microsoft was broken up then we'd all live in a Jetsons type future with flying cars and tubes carrying us around, all thanks to Netscape