We should request to OP that our e-mail address should not visible, it should be private. I wonder why they still require our emails if we had already joined the slack channel.
I also do not understand what is most likely for mailing?
I would like to join Twitter.
But before I left my data, I carefully checked everything.
Seeing the mail of the participants, open to public viewing, left it.
I'm skeptical about collecting email.
Especially to its publication.