I totally agree with you in principle here, but Apple have a pretty large vested interest in not supporting interoperability here (and in the other cases, like Mac mirroring) so I honestly don't see that happening at all.
This is purely a lobbying move against the EU to get EU citizens/politicians to complain about the laws and get an exemption.
And to be fair, Apple's business model is currently structurally incompatible with a lot of the DMA (which I personally think is a good thing), so they kinda have to fight it for a while.