I had modeled these as two single amenity=bench nodes, with 10 and 12 seats respectively, instead of many smaller benches. There's an argument to be made about modeling each bench separately (I slightly disfavor this because it looks worse in most renderers and it doesn't really give you any additional/better info). However, even if we were to model it as many separate benches, those separate benches should not be tagged as having 10 or 12 seats; thus, I am reverting this changeset.

https://www.openstreetmap.org/changeset/175002920