Let's not make it some sort of agenda out the EU: these companies are out just for themselves and however much someone likes their tech/philosophy/ecosystem, their practices are bullshit and unfair.
The other is a governmental group formed by 27 rather different countries, all having a wide range of philosophies, cultures, corruption and mentalities.
I know which one I am more likely to get some level-headed decision which might help me.
If the EU can be said to have an agenda, it is clear from the rules - their agenda is market fairness, and the ability of new entrants to successfully compete. The DMA is a key plank of that, but there will be others.
2024 European elections: https://elections.europa.eu/en/
Includes topics such as: results, how the elections work, and what comes next.