Exactly.
The goal is to make individuals investors in the systems they participate in, so that the state’s welfare is tied with their own.
What about tangible services, like a self-employed plumber or janitor?
No.
If them then why not whores?
They provide a service as well.
Perhaps because sexual services are arguably purely hedonic.
Whereas plumbing and janitorial services are for your health, if your toilet doesn’t flush or your apartment or workplace gets full of crap, that’s not healthy.
So, you have to produce a free-standing object of some kind?
Leaving out programmers.
And it seemed from the case of Bezos, also not transporters.
Scientists?
Inventors?
They might develop a prototype, but unless they can manage to manufacture the product themselves, they would not be citizens, or?
It is possible to be a member of a society, earning a living by providing services and not having a vote, just as it is possible for a producer of goods to have a side company of services.
Another prerequisite would be military or some kind of alternate service.
What about dildos, do they count as tangible goods?
I think you may have one up your ass right now. 
It’s for sale.
inventors scientists can participate in production.
I think you have a taste for it. Being serviced.
I won’t buy it, I don’t want to make you a citizen of my empire.
But you’re already my bitch.
I think you’re a catcher pretending to be a pitcher.
Did you smell that up my ass, or did you smell it from yours?
Bruh, you just got served.
Ouch…did you pitch?
You seem to know a lot about ball players.
No, what takes balls is accepting that the truth in regard to things like the covid pandemic does not necessarily revolve only around what you insist is the truth.
And, what really takes balls, is running your own value judgments past the arguments that I make.
Come on, what have you got to lose here but damn near everything. 