$1.5B is significant, but the bigger question is whether this actually changes how dominant platforms rank their own services. Is this real accountability for anti-competitive behaviour, or just another cost of doing business for Big Tech? My cynicism is tell me that unfortunately it is the latter.
IMO the fines do have an effect - Google now withholds a lot of launches from the EU, sometimes temporarily until they have time to have lawyers check them against DMA requirements, but mostly permanently. Ironically the part of Google most likely to persist in launching for the EU is Ads, since money is at stake. All the free, consumer-benefiting services are most likely to be curtailed in the face of aggressive reg…
If they stop providing value to users, they are putting their ad business at risk. It's never free, providing value to share holders is a top priority.