https://www.cnet.com/news/electric-scooters-to-double-in-san-francisco/

It's been six months since San Francisco launched its yearlong pilot program for electric scooters. After studying vehicle usage, the city has concluded that locks greatly reduced sidewalk clutter -- residents' No. 1 complaint about the vehicles.

"Last spring we were getting over 1,000 complaints a month," said Tom Maguire, sustainable streets director for the SFMTA. "As of this February, we were getting fewer than 100 complaints per month."