Do Fiverr Google My Maps Citations Help with Local Rankings?

Google My Maps Citations (basically they create their own custom maps on Google My Maps with pins for your business) are presented on Fiverr to business owners as a way to get quick local rankings, but do these custom maps actually impact rankings?

Whitespark ran a test where they ordered 28,000 map pins, it was added in 3 days and they monitored the ranking for 3 months and saw no noticeable change. Check out the post for the full info.