This is basically the "fire your low profit customers" advice that comes around perennially on HN ('yeah, but we didn't mean us!', lol). I guess the gamble is

This is basically the "fire your low profit customers" advice that comes around perennially on HN ('yeah, but we didn't mean us!', lol). I guess the gamble is will more than 20% of those who would pay $2 pay $10. $10/mo is not much for a Western programmer. If they did their market research I could see them coming out on top.