[rightbyte]

That could be a power struggle. I.e. some Google loyal PM sabotaged the extension feature, but quoting the poster above, the devs worked around it by doing a partial implementation to support adblockers, foiling the plan :)

[coldpie]

You don't need to invent some spy story fiction to explain software cost under-estimates and delays.

[figmert]

Not everything is a conspiracy

[rightbyte]

Sure. Obviously I don't know why.