1. Hollywood unions disprove this
2. Hollywood unions (SAG, DGA) disprove this
3. Unions don't mean you can no longer negotiate. DiCaprio still does
4. One upside: Unions represent members who are no longer able to work
5. Hollywood unions have some pretty specialized folk and it works well for them
As an individual - you only bargaining chip is your ability to do work. If you lose capacity to work - temporarily or otherwise - you lose the ability to negotiate. Unions don't suffer from that weakness.
The things you can negotiate for are capped at the value of your work. You can't forbid your employer from replacing you/your teammates with AI foe instance, but unions can, because the collective value of their output is beyond what the employers may gain from ML models. Not so on the individual level.
You skipped the downsides of hollywood unionization:
Cost of hiring increases and there are fewer gigs around. Unionisation adds nontrivial transaction costs, so there will be fewer opportunities for new entrants, and fierce competition among existing workers for shrinking number of gigs.
For example look at how women actors get their cast roles with harvey weinstein studio - did union protect them from sexual predators?
Look at average unionized actor - very few are making big bucks, most are just surviving and have other day jobs.
UAW workers are still at the mercy of their employers, and are only dragging their companies down, while non-unionized automakers are taking over market share.
I am totally fine that my bargaining chip is my ability to work - it is the only austainable way. Otherwise there will be a lot of useless dead weights who dont contribute to the topline, and leech off of bottomline. (There is already unemployment for this use case).
Look at NYC MTA - all unionized and completely inefficient, unionisation can only work in monopoly situation.
Tech in the other hand is high growth particularly because all monopolies are being attacked by more flexible and lean startups.
Hollywood is not growing at all, while big tech is carrying the whole world
you are looking at the wrong stuff, box office revenues go to Motion Picture companies and Hollywood fat cats like harvey weinstein.
just look at labor data: it is not pretty. $28/hr mean pay in Hollywood! Much less in other areas.
There is a reason why successful actors prefer to become producers/directors: because it pays better to be your own boss, rather than be at a mercy of union. and you don't have to engage in high end prostituion and literally sell your ass to people like Weinstein and Epstein, just to get a role at a high profile movie.
SAG really is a gold-standard union. Critically, it has a monopoly to multiple buyers of its talent. (Sort of like the UAW.) Single-employer unions are more constrained.
The things you can negotiate for are capped at the value of your work. You can't forbid your employer from replacing you/your teammates with AI foe instance, but unions can, because the collective value of their output is beyond what the employers may gain from ML models. Not so on the individual level.