> I don't however agree that it has become subtle enough to considered indistinguishable from search results.
This is what it looks like on mobile. A tiny "sponsored" text is the only thing that distinguishes ads from search results: https://imgur.com/a/WOk4NdR
It's deliberately designed this way compared to what it once was https://atechnocratblog.files.wordpress.com/2016/07/history-...
To deny this is quite bizarre
I do agree however that the labeling has gotten less prominent over time. I don't however agree that it has become subtle enough to considered indistinguishable from search results.