So talking about the devil being in the details... That confirms profiling is still very much in the picture (unsurprisingly) but more disturbing:

• this has implications which creates new venues for easier fingerprinting (so extra risks!)
• this is in fact not that hard to cross-reference cohort and user identity (oops, wasn't it main initial motive to prevent this?)
• thus, this will help with monitoring behavior changes over time

And of course that's to be added to the fact that targeted advertising is very much not going away. FLoC or third party cookies... pick your poison I guess?