Yes. Messenger collects detailed information about every device on every WiFi network you connect to, including MAC addresses, IP addresses, OS and version, device names, open ports, duration of DHCP lease on each device, and much more. It does this every time you open the app, and on every WiFi network you connect to.
Double plus ungood!
This is exactly the reason these Natalists are “pro-forced-birth”. Childless adults are a threat because they don’t have to think about their minor dependents before revolting. They want everyone tied down with families so we can’t even consider getting off the wheel.