Once you've found a group of friends you like to chat with, you are simply not going to switch Internet providers. That's like trying to get all new friends. Ben and Jerry's companies start on somebody's credit card. In their early months and years, they have to use a business model that becomes profitable extremely quickly, which may not be the ultimate business model that they want to achieve. These numbers sound like a typical MasterCard credit limit.
Amazon companies raise money practically as fast as anyone can spend it.
There's a reason for this. They are in a terrible rush. If they are in a business with no competitors and network effects, they better get big super-fast. Every day matters. Nearly all of them are fun.