Apple doesn't have a monopoly on smartphones. Unless you mean that Apple has a monopoly on iPhones, to which I will respond that John Deere has a monopoly on John Deere tractors.
I am not a fan of walled gardens and vendor lockin, but come on. Take some personal responsibility for your situation.
Don't complain that it is Nintendo's fault that you've paid a lot of money for consoles, controllers, games, etc. and now you're trapped.
You bought a BMW and all the add-on subscriptions for working radio, seat warmers, race mode. Now you're trapped.
If you think Apple or John Deere or Coca-Cola are a problem, then switch. If you think there are no other options, you are wrong. You are just unwilling to suck it up and do what needs to be done.
Sometimes it takes determination and effort to live up to principles.
You may say thay one person cannot turn the tide. This is usually true. Thank goodness that millions of Ukranians haven't used that as an excuse.
Not true. I used my MacBook Pro for over five years and it still runs macOS 10.14 to this day. Unfortunately, it broke about 18 months ago and I had to buy a Windows laptop anyway (because Apple's computers are dumb now).
I hate this computer. Windows laptops are awful - I have purchased a desktop to replace it after less than two years, but I still have to figure out a way to use that from bed, as I have a medical condition that prevents sitting all day.
If I had an iPhone though (which someone offered me, and I rejected!), or a bunch of apps purchased from the Mac App Store, or files in iCloud, then I would have had to buy myself the Windows equivalents. The only reason I could switch so easily is because I wasn't stuck in the ecosystem. (Also, my Mac is still available over SFTP to transfer files.) I just used my Mac as a UNIX system with a great desktop environment and high-quality apps.