In this instance it's a great step in the right direction. On the other hand Google uses the "do as I say not as I do" model when it's convenient for them to do so.

Full page ad interstitials on mobile will get you banned from AdSense, but Google also offer their own full page ad interstitials on mobile within AdSense. So long as it's them disrupting the UX its fine.

Not advocating for ads just notice the discrepancies in policy.