Why i dont get free apple music for 6 months

Apple Music with AirPods

Get 6 months of Apple Music free with eligible AirPods, AirPods Pro, AirPods Max, or Beats headphones. Terms and conditions. • Offer is available for new Apple Music subscribers with an eligible device for a limited time only beginning September 20, 2021.

Get 6 months of Apple Music free with eligible AirPods ...

See: https://support.apple.com/en-us/HT211883

Have you previously had a free subscription to Apple Music?

I suspect I didn't get the free 6 months with my new Airpods 3 because I already had a free 6 months with my Airpods 1. Cancelled that one earlier this year. Hmmm.