No one said global oil supply is going to 0; everyone understands it's a global market. It seems like you're unaware that the practical limit of what's available in the SPR is not 0%. That's why I asked where you thought the limit was, because the implication of your comment was 0%. I'm genuinely curious how much you think is safely available.
It's obvious that the whole point of the release is to reduce prices, but that's why it's telling that even as domestic gas prices have gone up by ~10% in the last month they've dropped the withdrawal to the lowest point since they started the drawdowns.