Maybe it's because people are afraid to change. And conversion is still a bit hard if you don't know how to do it properly.
yeah maybe people are more comfortable using fiat and then they were reluctant to join in bitcoin. there may be the reason. but it seems like only a few people. because bitcoin is not too well known. so the reason is still very rare
Fiat currency is familiar with our community and this can make someone is comfortable to using fiat currency Because fiat currency is merged with our community and easier to using this currency.