The problem has been in existence for well over a few weeks now.
Redditors commented on the post stating that the problem is indeed not limited to the OP.
Due to this problem the Home devices are replaying I dont understand to a lot of light commands.
Common solutions like rebooting the Google Home gadget or reverting to factory prefs didnt help fix the problem.
As of now, Google hasnt issued an official public statement.
UPDATE
At the time of writing this article, the problem has been completely fixed.
A Google spokesperson told Xda-developers that,
Were aware that there was an issue impacting Assistant powered devices.
It has been fixed and Assistant is working as it previously did.
source: www.techworm.net