Let's start walk-outs in mass. 1 Hour out of your day, to go to your favorite shopping spot that requires masks to shop there. 1:30PM EVERY SATURDAY. Mask up, go in, fill up your cart with no intention of buying anything. Be in line at 2PM, blow a whistle if you have a bunch of people with you, otherwise just unmask at the same time, and leave.
Leave a note if you want, make an announcement if you want, but just leave peacefully. They will eventually begin pleading with their corporate overlords to drop their obedience policy.
Watching others do this in videos is somewhat heartening but I also think it is contrived, likely reinforcing the E-Mask-U-lated to double down with their virtue signaling, furthering division.
My approach is to just go about my business bare faced not seeking attention but being exemplary in my behavior.