I don't think it's sound to conclude that the evolution of your pitch from lofty intentions to quantifiable benefits is the fault of other people being selfish.

I don't think it's sound to conclude that the evolution of your pitch from lofty intentions to quantifiable benefits is the fault of other people being selfish. People with good intentions ("attacking loneliness in cities and densely populated areas, and inspiring people to pursue their interests") are a dime a dozen, people who can actually deliver on their intentions are quite rarer. The numbers and the benefits to the user are relevant, because if the numbers are 0 and the benefits are absent, you're not actually any closer to solving the problems you want to solve.