Chrome Web Store reviewers leave a lot to be desired. My only effective strategy over the years has been to shame them in public and let them know that our interactions are immediately published across the web. You have to be relentless, otherwise they will destroy a decade of your work in a snap.
These threads will surely give PTSD to any extension developer:
And this right here is why we shouldn't let Google, Apple, or Microsoft dictate what software we're allowed to distribute and run.
I wouldn't be surprised if Google put you through the gauntlet because your extensions either touch their products, or because they offer similar functionality.
These threads will surely give PTSD to any extension developer:
https://github.com/dessant/search-by-image/issues/57
https://github.com/dessant/search-by-image/issues/63