People invested a bunch of money into a system that creates virtual tokens. These virtual tokens are generated at a certain percentage depending on the year and based on the total supply. It's 2019, which means that the percentage is 8.24. In two and a half months the percentage goes down to 7.82. Long story short, there is enough pizza to get us to 2035. But yes, the pie gets smaller and smaller every year, and that's by design. And if Steem survives the mass culling of investors, this means the coin will gain more and more value, and this is because of the planned scarcity. Also, if I pay for or enroll in a program that offers frequent flier miles, you bet your ass I'll expect some free flights. If not, I'll take my business elsewhere.