Deadlock being F-tier (somehow) | Dead by Daylight

I was trying some add-ons on Sadako when this match happened that completely threw me off. How could Deadlock, a powerful stalling perk, seemingly do nothing to stop 3 gens from popping in quick succession? At the end of the video I try my best to explain it... Watch live: https://www.twitch.tv/Otzdarva Join our community: http://discord.gg/Otzdarva