Calling it a “plan” is quite generous.

The simple answer is: They can’t.

I’d love to switch to Apple Music. I wish it’s let you add an artist to your library instead of individually doing all their albums.

It’s not hard to understand what was happening.

• I follow Person A and Person A follows me on Instagram
• Person A signs up for Threads before me
• I sign up for Threads after
• Because we already follow each other on Instagram, Threads automatically made Person A follow me

The issue with the EU is you can’t mingle and mix user data from two separate services.