Then they will only implement for those impressions/clicks, the same way they switch around between a handful of anti-bot vendors today, because none of them ha

Then they will only implement for those impressions/clicks, the same way they switch around between a handful of anti-bot vendors today, because none of them have alignment. Edit: Also not sure if WEI spec only calls for a page level implementation, but if not then this will just be implemented inside ad frames and publishers won't need to touch it. I think HN is overthinking this the same way everyone freaked out about AMP, the impact of which is completely negligible a couple years later.