The US Department of Justice and 16 state and district attorneys general accused Apple of operating an illegal monopoly in the smartphone market in a new antitrust lawsuit. The DOJ and states are accusing Apple of driving up prices for consumers and developers at the expense of making users more reliant on its iPhones.
Even without the DMA, the EU and US have very different judicial systems. I’m not a lawyer, so I don’t really understand the specifics, but if I had to describe it in a very hand-wavy fashion from my anecdotal, non-scientific experiences, US courts are more likely to favor preserving individual/personal freedoms over the common public good, and vice versa in the European system.