When things are going poorly it feels like you are pushing your users. Sales are harder, finding new users is harder, etc. When things are going well it feels like users are pulling you. Users are driving you to get what they need, everything feels easier.
See also:
- Pull helps you build an initial product a small group of users love
- Pull is closer to product market fit
- High retention products are the most viral, it’s difficult to imagine a completely sales oriented (push) product that would also be high retention