Absence of bot traffic is secondary to the absence of nearly all Yandex traffic in general, bot or not, as a result of the datacenter being down. Which is certainly newsworthy.
Your initial submission title sounded as if Yandex DC was used as a bot attack and because they were down, bot traffic in the whole internet was substantially down.
Your initial submission title sounded as if Yandex DC was used as a bot attack and because they were down, bot traffic in the whole internet was substantially down.