I can not do business in the US, or I can not do business with iPhone users. My only 'opt out' is to quit doing business in their market. I continue to see similarities here

You're right that it's more of a difference in degree and not kind. That said, the difference in degree is so vast as to be consequential. It's trivially easy to switch phone platforms (in the last 7 years, I've flip flopped between Android and iOS twice). In contrast, it's extremely difficult and disruptive to uproot your life and move countries; and that also presupposes that the destination country is willing to accept you.

In business terms, however, it's much easier to target consumers of a different country than of a different App Store. Even if you blacklist the top two countries, US and China, you still have a lot of consumers largely in India and Europe to buy your product. If you blacklist two major app stores it's effectively impossible to make money developing apps.

This isn't bad for consumers, it's bad for producers.

Producers in this instance are fairly described as "software developers", correct?

I think you'll find we have more than two customers for our wares.

I would say 'app developers' is the category

> Taxes imposed by a government are compulsory.

You can opt out by moving out of the country. /s

In that sense, I don't think you can opt out of the "Apple tax" because there are exactly 2 platforms both of which you have to be present on, otherwise you're not gonna reach your users.

But that’s exactly the point. You pay it because they have something you want. You can say they shouldn’t be allowed to gatekeep their markets but that’s a separate thing. Taxes you have to pay even if you don’t want the services.

We all agree about what taxes are. Some just attach more libertarian sensibilities/fears/paranoia to that word.