I think the main issue is it's just different to how it was before and Google won't be grandfathering in old apps. So you have to rebuild the integrations to us

I think the main issue is it's just different to how it was before and Google won't be grandfathering in old apps. So you have to rebuild the integrations to use the new APIs which mostly let you do the same thing but it's still not a trivial drop in replacement.