Multiple threads popped up /r/dota2 popped up complaining about this,
Some accused Valve of ignoring other paid features as well.
Valve has since then apologized and fixed the technical issues and has extended Dota Plus membership by 6 days to compensate for the downtime.
The underlying Plus Assistant system has had technical issues recently, and we’d like to apologize for the unreliable service. All Dota Plus members have had six days added to their memberships.— DOTA 2 (@DOTA2) April 8, 2018
The Dota Plus assistant has been a major point of discussion in the community as it toes the line between Free-2-Play and Pay-2-Win. While several players were skeptical when it was released, it appears as if most of the Dota 2 community has subscribed to it considering the sheer volume of complaint threads on reddit.