Letting go is the left-hemisphere stepping aside to let the right-hemisphere do its work.
I think descriptively you’re likely right, but I’m not sure it’s necessary! As Varela describes here, letting go of fixation can be precisely the thing that leads to creativity insight
– https://mobile.twitter.com/JakeOrthwein/status/1477663625892536320 in
I have always been in a hurry...to get everything done so that I can be quiet.
Letting go is not an action but rather a release. The problem is that is sounds to most ears like a directive and therefor can result in harm. For more comprehensive insights non-doing might yield.