As Mr. Nantel pointed out, it's really a consumer issue. The artists might feel deprived of the upside, the revenue that he appears to be missing, but at the end of the day he selected the price of the ticket so he inadvertently enabled this latent markup to exist to be executed in the secondary market. While they don't like it, they're not direct victims of this, in my uneducated opinion.
On May 7th, 2019. See this statement in context.