If you're not going to show how much money you get via donations, I'm not donating. I'm not going to donate more than you actually need, for example.
And that's all without even considering the significant overhead of collecting low-value payments internationally.
May not be the best thread to say this in, but Signal isn’t as good as Telegram and WhatsApp on features. People can be persuaded to switch, but may have different expectations than what Signal can satisfy.