Their youtubeTV support pages also have a banner stating:
"We are experiencing high contact volumes and longer than normal wait times. If you have feedback about our updated price, we encourage you to fill out this form. Find information about our updated price on this Help Article or on our blog post."
Probably because those who made that feedback page are the same people within the YouTube team that actually use the service and feel the same as we do.
More seriously though, it looks like people are overwhelmingly not happy about this change. Google already launched a special form to give feedback:
https://support.google.com/youtubetv/contact/yttv_price_hike...)
Their youtubeTV support pages also have a banner stating:
"We are experiencing high contact volumes and longer than normal wait times. If you have feedback about our updated price, we encourage you to fill out this form. Find information about our updated price on this Help Article or on our blog post."