After past discussions, I knew that member #'s would go up by one after an import. For example, if I'm #1 I become #2.
Howevever, after I did an import, I noticed Member #22 became #17, and Member #1865 became #1181.
I assume this is because when members were deleted in Classic, their member number was retired for good. But, when importing into Threads it re-numbered all active members starting from the beginning?