But if you are objective about it you would probably come to the conclusion that conservative political viewpoints or support will hurt you in the SF area, but even radical liberal viewpoints will not.

The prop was, by any measure, mainstream at the time. It may have been on the wrong side of history, but remember that even Obama expressed a lack of support for gay marriage in the past.

Any political issue seems like the most important thing in the world if you look closely enough and lose perspective. Let's move on. Any political position even close to the mainstream should not cost you your job unless you are a politician. But political stuff, for the most part, should not take over the workplace either.

Here, here! Many people seem to need to learn how be able to create some distance between themselves and their ideas, so they can put those ideas away when its appropriate and interact with others on different levels.

Even those viewpoints radical to the level of inciting violence.

When someone peacefully, nonviolently supports the wrong cause, it should be appreciated. It's the very fact that places like the US can settle political debates and get on with life without resorting to violence which makes the USA such a great place to live. There's a reason why the ability to transfer power and make policy peacefully is measured in development indexes.

If you want to gauge the justice of a side, then look for their benevolence and intellectual honesty. If you want to speak truth to power, then look to the side that's hounding people out of their jobs and trying to intimidate their enemies into silence. Nelson Mandela called his commissions, "Truth and Reconciliation" commissions, not "let's look back and see who was on the wrong side and dismantle their lives" commissions.