Ok, is this just a more complicated (and less private) version of the 3rd party cookie blocking that’s been in safari for more than 15 years? If it is better -

Ok, is this just a more complicated (and less private) version of the 3rd party cookie blocking that’s been in safari for more than 15 years? If it is better - which seems surprising given it still seems to result in 3rd party cookies continuing to exist - how does it compare to safari’s domain partitioning from what seems like 5 years back, or the newer aayyyy iiiii tracker detecting stuff?