[projektir]

You can't reason with any party that has already decided to be corrupt. So, in short: you don't.

You deal with this whole problem by not creating all-powerful giant aggregators like reddit that eat all other communities.

You deal with it how we did in the past: by creating zillions of competing communities and people choosing which ones they found palatable, or creating their own with their own set of rules. This usually results in a number of fairly diverse communities somewhat competing with each other.