Everyone. Subscribe. Hit the 39.99. File a CC dispute. Then class action.
My theory. Apple not doing this for the money (as this is like me scamming a homeless guy for 0.001c) but someone working for Apple did it to hit an OKR for their promo.
The chargebacks and class action for Apple like me paying a 0.1c fine.
To stop this needs Brussels to sprout.