You spend the shitty money first.... Save the best!
Bitrefill published payment methods used for their services:
BTC being such a small piece of the pie surprises me. The whole Xitter thread adds more nuance: https://x.com/MattAhlborg/status/1828436316930912364
Discussion
Apart from fiat I don't touch shitty money, so I'm never in the situation where I could spend shitcoins.