No part of the mindset of a founder requires you to select inferior alternatives out of empathy for the people who provide them.
Nah, the only reason to go with a startup is if it's better than the big guys, or you need personalized service, or you think they'll move much faster than the big guys, and it would block you otherwise.
If they're not much, much better than the incumbents they're competing with, they're going to go out of business, leaving you with a broken dependency.
As an entrepreneur do you also use other entrepreneur's/start-up's services or just rely on the big (market share) players in the market? A startup is hard so do you go out of your way to help support other smaller service providers?
If you have an opportunity to support competition in the marketplace by not flocking to the lowest price(Walmart) but paying a bit more for a smaller service, do you make that sacrifice?
Knowing that NearlyFreeSpeech.Net appears to offer similar functionality, why choose a larger provider like Amazon if you have the mindset of a founder?