An open letter to Quora

[This short letter sent in abridged form via the Quora feedback form. I've kept this brief and compact because the issue itself is not complicated. ]

First of all, thanks for the site, it's amazing. I hope you read this, though, because it's important to me, someone who I would guesstimate is a relatively average user, who likes detailed answers to questions that aren't easily Googleable.
My single biggest problem with Quora, the elephant in the room, is as follows.
Let's say I follow the topic 'China', because I'm interested in China. That's all that action implies to me, that I'm interested, not that I know anything substantive or authoritative, not that I even want to answer questions myself. I don't know how the Cantonese people perceive São Tomé and Príncipe. The only way I could stumble on that information is, well, Quora.
Please, stop asking me to answer questions that I haven't even shown I know how to answer, just because I follow the topic. I probably click the 'Pass' button more than I click the 'Upvote' button. It's such a drainer, especially since half of the questions I'm asked to answer are of such poor quality, have blase, braindead, and openly provocative assumptions, are often written in fragmented English to the point of utter incomprehension, and are against what I perceive to be good foundations for quality Quora content.
Please, investigate solutions to this. Maybe, a Interested in Reading button, and an Interested in Answering button?