Oh I think the EU can rule whatever they want on their domestic market. Apple can try to find all the holes they want, the Commission is probably just taking notes of those holes to fix them in the DMA 1.1
I really think Apple (and Meta, fwiw) is making a huge mistake if they think they are in position to negociate anything. DMA is here to fix competition issues on the european market and if the goal isnt reached, there will be enough iterations until achievement.
It's not a fight again Apple, it's about preserving the core of what is the EU : the European Single Market. The European Single Market was created after WWII with the goal to enforce peace on the european continent. The Single Market IS the European Union. There is no way they'll let Apple get around this. The only thing Apple don't understand is that the EU is traditionally really slow to act so they had an entire decade (and more) to think that locking access to the market in the EU was fine.