> Not an official study but just an observation - its very possible to avoid lockdowns so far, by implementing true vaccine passports. Israel did that without any shutdowns during the 4th wave. Basically banning non-vaccinated people from most public areas
You are just pushing the work to be done by low-level employees at this point. Yes, it can work for a while but go talk to anyone who works in public event spaces (theaters, bars, cinemas, etc.) in, for example, Germany and you will see how much fatigue this causes.
And what happens when people get fatigued due to the extra workload created by forcing these measures to be taken by small businesses? People get sloppy, they get tired of a procedure that usually would take 2 minutes taking 15, chipping time away from other duties they are responsible for (and supervised). Over time they stop doing the checks properly and just like with other COVID measures, becomes increasingly ineffective.
I only had this realisation after chatting with some friends of friends in Berlin working in hospitality (hotels, bars, etc.) and events, almost every single one of them were exhausted from having to perform the extra checks on every customer, every shift, every play, every table they sit. They were trying really hard to not get sloppy because they actually care about the people, but it was clear how it was affecting them. It didn't look as a sustainable measure against COVID after 2 years of a pandemic.
That was also the fear I read voiced by experts during the first 6 months of the pandemic: people will get tired of the measures, when they get tired and don't follow them anymore it gets much worse. How to balance that is exactly all this political game going on, there is no simple solution when we talk about population levels of a nation.