Having "redundancy" as a ban reason is basically a loophole to ban everything and everyone as almost everything related to humanity can be regarded as "redundant". It is vague.

There are 8 billion humans on the planet, 99.9% of which havent had a unique thought in their life. Everytime anyone gives their opinion its guaranteed to be redundant.
If you use grammarly, everything you say is by design redundant as its AI trained.
99.9% of food products and consumer goods in general are redundant. Just have 1 type of nutritious soylent goop.
99.9% of youtube is redundant content.
99.9% of creative arts writing and music is redundant as it just reuses already existing concepts and ideas.

Theres a million jester farm lgbt inclusion threads made by people who dont give 2 fecks about gay rights that you do nothing about because you dont actually care about them being redundant to hell and back.

If you could, in the meantime, do something about the steam forum basically turning into the same botting heaven that reddit already is i would appreciate it. But dont do it based on redundancy. Use something thats actually able to target more specific aspects.