Certainly. Facebook runs ads outside of just their own site, so they have to track as many folks as possible. Whether they're tracking PII of non FB users though is (hopefully) unlikely.
Those electric bikes are a nightmare. They are so quiet you can't hear them coming. Coupled with how recklessly the delivery guys ride them it's a recipe for disaster. These guys plow through red lights and gun it in the opposite direction on one way streets. Maybe it wouldn't be a problem if these guys didn't ride like assholes.