It's opt-out. It's on by default in Chrome as they claim it is the safest option, and you have to turn it off so it stops sending some data to Google. I think only in Europe it's opt-in, because only Europe enforces their citizens rights to not have their privacy raped by US companies in the name of security.
I doubt this "opt-in" would replace the already existing tracking. It being opt-in is pointless since at very best it doesn't change anything.
It's opt-out. It's on by default in Chrome as they claim it is the safest option, and you have to turn it off so it stops sending some data to Google. I think only in Europe it's opt-in, because only Europe enforces their citizens rights to not have their privacy raped by US companies in the name of security.
I live in Europe so maybe that's why it asked me if I wanted to enable it.