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WEI doesn't check whether they are a bot though.... they can trivially use a "trusted" browser setup and just automate it with Selenium or whatever. Or in a worst-case scenario, a $5 robot arm, with a perfectly attested browser.

The whole "this will block bots" part of the spec is complete bollocks and a red herring to distract from the real purpose - to block adblockers and competition from new browsers. And DRM, of course.

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I guess it depends how far the certification goes.

If even extensions can be detected, why wouldn't selenium be detected? Granted, I don't know how it works exactly.

In addition to the 5$ robot arm you need to add 200$ for the device it is operating. Drastically raising the cost to run a bot farm is key. You can't fully eliminate inauthentic behavior, but you can make a lot of it unprofitable.

You don't have to use selenium. You can use any software that can read video memory and act as a mouse and keyboard. It doesn't have to be an extension. The browser isn't directly involved, so vetting the browser or hardware does no good.

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