There has been a huge shift in why musicians do live shows and with it a shift in how they price them.

25 years ago, I did an odd job taking calls for Livenation for a U2 Show. While not cheap, ticket prices were well below market value and strict purchase limits in attempts to curb scalpers.

Today the same venue starts auctioning tickets when nearing sold out and ticket master runs a scalping service.

My explanation is back when records was big business, tours were seen as more of a promotional tool. Today very few artist makes sustainable money off of record sales or streaming so music sales is more of a promotion for other services, the main one being live shows.