Earlier quoted context omitted.
The issue is that scalpers can buy a significant portion of tickets at initial pricing and artificially drive up demand when the event says they're "sold out". Plus, many events like to set low initial prices to try to get money flowing in earlier, and raise prices closer to the day of the event, which makes them a potential "investment" for people who have no plans to attend.
The demand is the demand. TM should just set the initial price higher. This will discourage scalpers because their return is lower and their risk is higher. Fans will get to see the concert if they are willing to pay. If they aren't, then the price is too high, or the tickets will go to other fans who value them more.
If Ticketmaster enjoys such market dominance, they become responsible to prevent widespread misuse of their own platform, lest they become negligent. They are owned by livenation which is a public company.