It's an HN thing. You just have to ignore it - it's based on ignorance not malice.

I'm an "MBA type" running a very early-stage startup and I am only too painfully aware that cold-calling is the way forward to get our first few hundred sales. Somehow we spend so much time reading about digital marketing, and optimising this sign-up flow, and A:B testing this and that, that we forget that a significant number of users can be persuaded to use your product just by being compelling and enthusiastic.