Note https://overpass-turbo.eu/s/1A95 

directly after this edit this way 1190685472 was member of relation 1318928

Why you think that this edit caused damage to this relation?

I investigated another way you complained about, see https://github.com/streetcomplete/StreetComplete/issues/5243#issuecomment-1713720043 and with primitive tools I managed to apply it seems that problem was not cause by StreetComplete

Why you think this edit caused problems?

You can even see https://www.openstreetmap.org/changeset/138733015 that edited relations to prevent problem you complain about