Have you actually checked after your 'raid' that the reported "problems" went away? I really doubt that, because blindly changing layer to level actually cased mode building and highway intersections to crop up.
It seems you have no idea what you are doing and you are doing a disservice to OSM and TomTom. First learn about the tags you are changing.
The task https://maproulette.org/challenge/40081/task/188574494 does not say anything about adding made up 'level' tags and removing 'layer'.