[bombcar]

Because you will always be worth a bit more as an advertising target + subscriber than you will as just a subscriber.

[inigyou]

Doesn't that depend how much you pay? You can pay $2.50 to the soft drink company for your verification can, and Twitch receives $0.10 - why would either you or Twitch prefer that to you giving Twitch $0.50?

[bombcar]

Because Twitch would rather get the $0.50 and the ten cents from verification.