You don't have to be extremely privileged to have days like that, though I'm not saying that this person isn't (I've never heard of him, but I'd hazard a guess that he is pretty rich.)
Is it bad for the environment and a waste of time? Sure. But at the end of the day if flying out for a single meeting is going to be better for your business (or for your personal work if you freelance/etc), then you do it. I've flown from London to California before just for a meeting that will last a few hours - I didn't do it because I'm super rich, I did it because it was a good decision for the company I work for, and therefore they paid for it.
(Edit: I suppose a person who has the chance to travel around for free could be called "privileged", but I don't think that's what you meant by it.)
I understand that air travel for meetings is still commonplace and I wasn't intending to apply the label of extreme privilege to all business travelers - only to those who are given Free Steak Delivery. I do think the vast majority of business air travel for meetings is completely wasteful, but it is often suffering - not privilege - for the people who are tasked with it! Airports and airplanes are not generally very pleasant environments.
I can see how "upper percentiles of wealth" could be connected to (some though not all) people who fly around a lot, but having a company deliver you a free steak, that's really related entirely to how well known he is, not his wealth. There are random people with 10,000s of followers who aren't actually rich of it, but could be targets of similar PR stunts.
As to air travel, for me I consider it a privilege, I've loved being able to travel the world for free, and add on cheap holidays when I feel like it in whatever country I'm in. But then, I've never really minded sitting in a plane.
Is it bad for the environment and a waste of time? Sure. But at the end of the day if flying out for a single meeting is going to be better for your business (or for your personal work if you freelance/etc), then you do it. I've flown from London to California before just for a meeting that will last a few hours - I didn't do it because I'm super rich, I did it because it was a good decision for the company I work for, and therefore they paid for it.
(Edit: I suppose a person who has the chance to travel around for free could be called "privileged", but I don't think that's what you meant by it.)