>>Ukraine was not cut off from the global financial system and had no issue receiving donations in fiat currency—I myself sent them some fiat.
It is far easier to donate from your browser, using your MetaMask wallet, than by visiting your bank branch to effect an international wire transfer. It can potentially also be safer, in letting you not have your identity recorded anywhere in association with a donation to a party to a conflict.
Who said anything about a bank branch? I did it on the Central Bank of Ukraine’s website in about 30 seconds. I don’t know how much I can emphasize what a solved problem this is.
That's a fair point about the existence of payment options that are more convenient than wire transfer, but not every one has a credit card or lives in a country where international e-wallets like PayPal operate.
And the problem of identity being linked to payments, and the risks this can engender, is not a solved problem in traditional finance.
It is far easier to donate from your browser, using your MetaMask wallet, than by visiting your bank branch to effect an international wire transfer. It can potentially also be safer, in letting you not have your identity recorded anywhere in association with a donation to a party to a conflict.