I agree, this may be good for Europe in the long term. However, one would expect to see the protectionist measures coupled with similar measures intended to generate competitive native alternatives. Limiting the expansion of Boeing is great, as long as you have Airbus. Without Airbus, you're starting to make some real compromises.
> to anyone who thinks the US isn't doing the exact same thing
US is currently playing both sides of this in the chip space in an attempt to wrestle some of the power back from China. Unlike the DMA, the US effort is putting a lot of money on the line to help build local alternatives.
IIRC Cliqz was an EU-financed search engine project that looked like it was going to be a contender, but I think Covid killed it. Projects like that could be the way.