My Google Nest speaker is also muffled 100 percent of the time for the
last couple of months. It's only two years old and hasn't been used very
much (maybe a total of 20 uses in that time). Google phone support
talked me through two factory resets an...
It is likely due to your automation not catching those rapid state
changes. When the door opens and closes in quick succession, the
physical sensor might correctly switch states, but the automation might
not execute fast enough to keep up, resulting ...