I am EU-based and I guess you are US-based? That would count for some difference in perspective. IIRC Microsoft was fighting both US and EU competition cases and it pretty much handed them a lost decade. Not sure about the current US climate with regards to anti competitive behaviour, but if there are US-competitors in the ad market that are hit by step 2, I guess even some Republicans would see that as a bridge too far for Google?
You're correct that I'm in the US. Microsoft repeatedly bested the US prosecutors- it took the EU to stop them. Is the EU aggressive about stopping trackers?
I'd say yes when considering the existing and new privacy laws being passed. Some of the identification and data reselling that is typical in the US is not done for European customers because it's not allowed.