Obviously these sponsored segments are effective marketing otherwise no one would pay for them, but I'm sure they're far less effective with users who seek out

Obviously these sponsored segments are effective marketing otherwise no one would pay for them, but I'm sure they're far less effective with users who seek out tools like sponsorblock. One thing I've always wondered is do sponsors request watchtime data for their sponsored segments? I'm under the impression that they don't, which is wild to me.