alt Hacker NewsI do know that, but I also know how donations can become an expectation.
Also, it's worth noting in the context of this thread, that people can use AI inference for free on many services, with payment only need for higher usage, and even then, if you don't care about expectations or inconvenience, it's trivial to abuse the free tier.
There's over a thousand years of empirical evidence that a symbolic donation of a coin is accepted.