"Hopefully, someday we won't have to worry about oppressive regimes restricting ... sites that support freedom of speech."

Unfortunately I don't see that happening anytime soon. You also have countries that block nearly everything such as N. Korea.

Many moons ago I ran a political blog that was blocked in China. Over the course of several years I mentioned their leadership only 2 or 3 times but that was enough apparently. They are quite vigilant.