Tokyomotion watch the criminal activities of these hackers. They are mass downvoting videos and accounts, false flagging videos, opening dozens of duplicate accounts, and using XHR exploits to bypass blocks to harass users. This is a partial list of their dozens of accounts.
https://www.tokyomotion.net/user/redwren88
https://www.tokyomotion.net/user/Angelalala
https://www.tokyomotion.net/user/shiyangg1992_TV
https://www.tokyomotion.net/user/oyeahoyeah
https://www.tokyomotion.net/user/peugeot
https://www.tokyomotion.net/user/boopboop1
https://www.tokyomotion.net/user/VolaFagot
https://www.tokyomotion.net/user/Waiwaik321
https://www.tokyomotion.net/user/steamb0y
https://www.tokyomotion.net/user/sneakyangie
https://www.tokyomotion.net/user/CummieBear
https://www.tokyomotion.net/user/spermbank
https://www.tokyomotion.net/user/AngelOfLight
https://www.tokyomotion.net/user/kiukiumoar
https://www.tokyomotion.net/user/hackers2
https://www.tokyomotion.net/user/hackers
https://www.tokyomotion.net/user/no176
https://www.tokyomotion.net/user/shiyangg1992