The U.S. Department of Transportation’s National Highway Traffic Safety Administration released its 2020 annual traffic crash data, showing that 38,824 lives were lost in traffic crashes nationwide. That number marks the highest number of fatalities since 2007.
https://www.transportation.gov/briefing-room/nhtsa-releases-2020-traffic-crash-data
In Pandemic Year One we had the highest number of traffic fatalities since 2007.
Correlation is not causation. The post title is a click bait joke.
lifeunderwriter.net 
I heard the reason for this was that the risk-averse people stayed home during the early part of the pandemic and the people out on the roads then were the daredevils.
I’ve heard the same speculative reason which makes perfect sense to me.