In the future, please also try searching for previous topics on the same problem before posting your own. That will help cut down on duplicate topics with the same questions/content.
It’s great that you want to show others how to effectively clean up Google Maps, However Idea Exchange is not the optimal place to do so. Idea Exchange is the section of Connect where Local Guides share their ideas toward making Google Maps or the Local Guides program even better. You can read more about it in How do I use the Idea Exchange?
I’m letting you know that I have moved your post to the How-tos section of Connect where Local Guides share useful information and seek answers to their questions.