Thanks for the explanation. I was looking for the errors with "q"-Orthogonalize, that's how I found this changeset.

Now, I also looked for more of these mistakes with "2" in your area, and I have removed them:
https://www.openstreetmap.org/changeset/165938064
https://www.openstreetmap.org/changeset/165938176

If you want to look for yourself in the future, I have used this query:
https://overpass-turbo.eu/s/23GM