[Tagging] amenity spamming?

[Tom Pfeifer]

There is a user creating a large amount of strange wiki pages for "amenities" like
television, microwave, washing machine, stool, seat, plant, fridge,

https://wiki.openstreetmap.org/wiki/Tag:amenity%3Dstool

or tiny perishable objects like natural=flower
https://wiki.openstreetmap.org/wiki/Tag:natural%3Dflower

You find more via the page history -> username -> contribs.

I wonder what to do about it, apparently he even maps some of those:
https://www.openstreetmap.org/node/4944091271

I wonder what to do here.