> 4. For most people in the world, this is not affordable. The median per-capita income in 2023 was ~2920 USD [1]; and you're asking for, say, 7.5 USD/month = 90 USD per year, or nearly 5% of one's income. No can do.

Most subscription services adjust the service prices to what specific markets can stomach. Spotify in the US costs $11.99/month, but it's $5.86/month (23.99 PLN) in Poland.