Seattle Transit

I know I'm not an official Seattle citizen anymore... but at heart I very much remain so. That coupled with my work means that I follow a lot of what is going on in and around King County relating to transportation.
I found this post from Seattle Transit Blog to be of particular interest:
Ironically the parts I like the best are not so much about Seattle area transit, but rather housing. From the article:
One thing I want to point out: a property tax levy is not more progressive than a sales tax. There seems to be this common misconception that renters don't pay property taxes, and it's only those who own homes who do. Think about this: if costs of garbage pick-up increased dramatically, would your landlord charge you for that, provide fewer garbage cans (or something), or just agree to pay the difference out of the kindness of his heart? He'd raise rent because he needs to make money. The same thing for property taxes. If property taxes go up, your landlord's property taxes go up, and he passes that onto you in a rent increase. The reason that property tax increases aren't more progressive is that the poor spend the largest percentage of their income on housing. Affordable housing is hard to find.
Housing is a big problem in Seattle, despite being partially protected from the housing market downturn there is an ever increasing disparity between housing that is affordable and housing that is accessible.
What does anyone else think?