I see your concerns but I haven't really found that to be a problem in my time here. There are some things about Hubski which work against homogenization such as the emphasis on long-form discussion (as opposed to twitter) or the absence of any sort of "dislike" feature (as opposed to reddit). People here can share their opinions and not really worry about getting an unfair reception.

The things I expect to see in a homogenized community are not really things I see in Hubski. I can't, for example, think of an opinion that the average Hubskier would champion. There's a lot of hings that come onto my feed that I'm ambivalent towards. When a post is popular, it's sometimes hard to tell if that is due to people agreeing with the content or arguing against it, and I like that.

Although with the way Hubski is set up, I sometimes wonder if there's a whole other part of Hubski that I'm not exposed to because it's not connected in any way to my feed. There could be some bizarro Hubski that I've never seen; regular users I don't know that discuss things when I'm sleeping. Maybe these bizarro Hubskiers have their own bandwagons and hiveminding of opinions. We should probably do something about them.