The Pandemic has definitely shown this to be true. A huge number of people didn't go to work and it didn't really matter.
It remains a mystery as to what is driving this. Do bullshit jobs beget more bullshit jobs? A kind of multiplier effect?
You still have the problem of what to get your new staff to do so you run with what you know. more bullshit. In the military there is the concept of painting rocks to keep people busy, the epitimy of bullshit jobs.
The white collar folks are just filing their TPS reports from home and it has tended to be the people who make or do concrete things who are impacted the most.
This is the economy based on conspicuous consumption but there isn't much opportunity to be conspicuous right now. Nobody knows whether I'm wearing designer clothes at home or lounging around in my pyjamas.