Reading these makes me sad about the law in my country, Finland. The lowest tier of OP ($7 for no reward) would be illegal here. We have a law called "Money Collection act", which states that to gather donations (i.e. payments with nothing in return), you have to get a permit. This permit costs money, is not given to individuals, and is given only for non-profit activities. So this means that if you see a donation/sp…
That is a very interesting interpretation of the law. Another would be to regard such a construct as income. Report your income. Pay your taxes and be happy. It only becomes "gray" areas when people think it is possible to have non-taxed revenue streams.
This may be true in some countries, but it's definitively not an universal truth. Some business models are not allowed even if you pay taxes on the income. This is what the user is describing, and reading the (English translation) of the text of the Act, I'd be worried too.