The alternative that exists today that I can buy and all the apps I need for work will actually exist and function correctly is called…
The whole thing is like an intentional vicious circle. People buy the systems because certain applications are available on them (or rather because that's what everyone does), and the application manufacturers support the systems where the most customers are expected. But if one takes an impartial look at which applications or functions are really needed for a company, there are certainly alternatives.
Unfortunately, the open source community sabotages itself, e.g. by constantly changing the ABI of essential functions and thus undermining the portability of non-open source applications (see e.g. https://news.ycombinator.com/item?id=32471624).
My statement was: Apparently, people prefer to buy expensive devices that eavesdrop and patronize them. As long as this continues and people don't run away from these manufacturers, they will continue with the trend and patronize people even more.
If your work mandates something you can't solve with Linux the issue is with your work and you should push to change that.