I posted this as I got an 'Invite' email stating that another developer was inviting me to the platform. What's interesting is that the site isn't invite only,

I posted this as I got an 'Invite' email stating that another developer was inviting me to the platform. What's interesting is that the site isn't invite only, which brings me to wonder if the invite emails are bogus, and all they are doing is leveraging info from the LinkedIn data leak to find users?