My partner just created her #Threads account and the account that showed up on top as suggestion to follow was mine. However, I don't have a Threads account.
Basically, anyone who has an Instagram account, #Meta is automatically creating a shadow account for them and also allowing users to follow ...
I'm not surprised because Meta said they were doing just that. Anyone who had an account on Instagram automatically has an account reserved for them on Threads. I don't see anything nefarious about it.