The British Stammering Association has started running some adverts that can be seen here:
https://commons.wikimedia.org/wiki/File:STAMMA_Find_The_Right_Words_advert_2...
They include the text at:
"The way we talk about stammering is wrong so we worked with wikipedia to make it right"
The edits were made by https://en.wikipedia.org/wiki/User:Stamma_BSA_1 and are fairly harmles.
Might be an idea for wikimedia UK to reach out to try and help things stay harmless (and who knows we might actualy find something to work together on).