[MrMeker]

"Honestly I think the sense of entitlement nowadays is way too high, people use a product that is free and needed weeks or months of your own free time"

How is he going to recoup anything for his time if you use his product in a way he can't charge for?

[BitMastro]

Sometime we spend time on a project for the good of the community, and it's ok, because sometimes I give back time, sometimes someone else does and so on.

It's also ok to try to get some money out of your time, if it's desired.

Not ok: use someone else's time to gain personal profit, expect someone else to pay for your actions, etc