Regulatory worried?

The EU stated they will investigate this. And somehow Apple decides less than a week later that the feature will return.

Looks like regulators should not be worried about Apple complying in the medium term.

DMA has a catch-all: any circumvention can lead to penalties. You can try to play games like this, but it will just lead to fines.

I would expect a few more U-turns, especially on the fee structure.