I do not think there are many sellers who have not run into the issue of having a design removed and not knowing why. I am positive whomever is replying to all the emails could be put to better use.
If instead of removing it totally it would be 1000x more helpful if it was "paused" so that
1) we could fix it if it was a simple oversight (I guess I missed 2 shirts when I went through ages ago now and removed "Made in USA") and they just now were taken down. With 100's to 1000's of listings and no way to organize them it is hard to be sure you catch everything.
2) so that we know why a shirt was out of policy.
Copy cat and Trademarked images could be pulled down as they are now but minor compliance issues maybe a better system is possible?