Most people 'hate' every single change Facebook has ever made, yet somehow manage to totally forget about it within about two months. People hate change.
Honestly, if "most people" are annoyed that Facebook serves ads based on the content of their profile then they should leave Facebook. Because that's the business model the site operates on.
Facebook is not vulnerable from a privacy standpoint- that was the reason everyone said that they were moving to Google+. They didn't.
Inability to use buggy poorly-designed extremely complex software correctly is not evidence that people don't care. I'm a software engineer and security guy and deal well with complexity and even so I haven't been able to figure out how to keep my profile both visible to the people I want to and secure without devoting way more time than I have available. When I tell people that they often respond "oh thank god it's not just me".
It's not just privacy; it's the whole pattern. The constantly-changing UX is a huge deal to a lot of people, and so is the general attitude of "you're the product" and Zuckerberg's non-apologies.
Agreed that Google+ botched their short-term chance but it has decent usage and now has a much better first-user experience so if people react badly to Timeline, there is an alternative. In any case Google+ has clearly shown there's pent-up demand for a Facebook alternative. They'll keep investing in any case, and there are plenty of other options coming along. I talked about this back in September in "In Chaos there is Opportunity" http://www.talesfromthe.net/jon/?p=3163
So yeah, it's true that at some level nobody's particularly surprised by this any more. People are sick of Facebook and waiting for what's next, and for most of them Timeline will just reinforce those feelings.