Google Play: Opting out of ads?

Question

Google

When publishing an application on Google Play, in the REQUIRED YOUR CONFIRMATION section , there is a field that (it turns out) must be checked

Opt out of advertising Don't advertise my app outside of Google Play or on non-Google mobile and web properties. I understand that changing this setting will only take effect after 60 days.

I can not understand for whom this restriction. Who shouldn't advertise an app? Me or Google?
If I am, then it turns out that I am not allowed to link to the application on my website or in other places?
If Google, then why should they advertise my app at all?

Answer 1

It has to do with Google. That is, they will kick it out of search queries and other sources outside of Google Play.