> all the 100 users

That’s off by multiple orders of magnitude, if you believe their reports of 30 million sign ups in under a day.

https://www.theverge.com/2023/7/6/23786108/threads-internal-...

You mean sign-in's?

I’m using their terminology. The distinction seems irrelevant for the conversation.

I believe you should create a separate Threads account even though it uses your Instagram account. It's like OAuth2 single sign-on, but technically you still sign up for a different service.