In practice bots push up ticket prices for many people. "Genuine" resale because you can't make it for some reason is fine, it's the people who leverage their bots, which most people don't have access to, to force people who actually want to see the show to pay more.
Maybe they should move to a lottery system for popular shows. Everyone who wants a ticket registers, noting the dates when they can attend. Winners are picked at random and offered to opportunity to pay for a ticket. If they decline another winner is picked. Prices stay low and everyone gets a fair opportunity to buy one.
Some popular bands give the tickets out for free to members of their fan club, with membership having a small fee, and rely on merchandise sales to make up the rest.