It would still work today. For fans with money, it would be less convenient than buying through a scalper. It would be more convenient than TicketMaster since ordinary fans cannot buy tickets through it anyway. It would raise costs for scalping businesses and somewhat level the playing field (it is impossible to completely level a playing field between individuals and well capitalized businesses).
Anyway, TicketMaster's business has changed less than the music industry and get off my lawn.
[1]: The price was an outrageous $16 each. But it was also the days of festival seating and the best seat in the house was a matter of will. Down on the stadium field, over the course of the day we had worked our way to within ten feet of the stage by the time the Stones opened with their new hit single, "Start Me Up." No really, get off my lawn.