The resellers and Kpop groups......

don't buy from resellers

Wait for company to release new dates

Let resellers lose money and mald

If it's already sold out through official channels, the group won't take a financial hit

The fandoms have to incentive fans to not buy from resellers. Eventually, when the date is getting closer, they will sell for the same price or even cheaper than what they paid just to not lose too much money. A lot of fans get tickets like that in the last minute

resellers have always been like this

ticketmaster has an effective monopoly on the market