No, it goes deeper than that.
Refusing to demand payment keeps the users in the position of being receivers of charity, rather than customers. Beggars, not choosers.
Discussion
Also, how old are we, that we still believe in Santa Claus? 😂
No, nobody just likes to give. Every interaction is an exchange. What are they getting in return, is the question?
Because, they are definitely getting something from us, but it isn't money.
If it's not for money, then it's to boost the ego and this is quite complex and can have many facets.
I want to disagree with you so badly...but you convinced me. There's a lot of truth in this statement.