Clarification for recent GAM PA API setting to "Allow testing on up to 100% of my inventory with..."

[dmdabbs]

Is this 100% of the 'Limited' or 'Enabled' labeled experiment arms in the Ad Manager, PAAPI column this graphic,

or 100% full bore all PA API equipped & enabled Chrome instances?

(excluding where user has disabled the feature or not permitted ads, &c).

[dmdabbs]

What is the deal with Kate?
Will we get an answer to this question?
Like the old tabloid commercials, "Inquiring Minds Want to Know."

[rahulkooverjee-google]

The control doesn't just apply to labeled traffic, if that's what you're asking.