Why would frontline workers need further encouragement after their 12 hour shifts when they were already being rewarded in the form of window displays [1] and gift cards [2] to Chipotle and Bed Bath & Beyond?
Just use the lane normally and zipper merge when the lane ends. Don't waste space. Don't block people. You don't get brownie points for being in the "correct" lane as soon as possible, and it doesn't help to police others who are using the existing lane. It really isn't that hard.
The type of people who see a "lane ends ahead" and immediately merge, blocking up traffic and wasting a half mile of empty lane. "I'm in my assigned place and I did what I was supposed to!!"