You need to submit a copy of your driver's license for a FB account these days??
Unsurprisingly, this ends up hurting all sorts of people who do not use their legal names online: people who have just chosen other names, people who want to avoid being targeted or stalked, trans people, etc. They've updated this policy to allow for some of these situations (https://www.cbc.ca/news/technology/facebook-real-names-1.336...) but folks still get banned for failing to comply.
I'm not sure if you realize that there's only a handful of confirmed cases of voter fraud in the US in decades. The current system, based upon an address registration and someone confirming their information at the polling place, has achieved this result.