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Don't like the junk? Don't include it into your feed. Stop following the crap and it will all get washed out eventually!

If I did that i wouldn't have a feed anymore.

Ha, could be true. But there are some that are worth following. I try to keep those I follow under 100 as it is hard enough trying to keep up with that many - devoting the time to curate those who do put out good content and support me. I might even consider whittling that list down even some more real soon as some are not all that active.