I assume a lot of android foss app developers are going to refuse to register and the projects are going to need to be forked.
Personally I'm getting an old feature phone and an ipad mini that only has wifi. If my choice is between apple iOS and google iOS I'd rather just not use anything to do with Google.
I imagine it's a continuation of the isolation that social media causes.
edit: looked into this a little more and found This medium article. saying there wasn't much change in the rate of sex weekly for adults in the 90s, and not until the early 2000s when OECD countries started seeing a reduction.
Not sure what to trust but Family Studies is a conservative think-tank so I don't necessarily trust their data either.