> Why not just ban the transfer of tickets and allow refunds? You buy a ticket, you show your ID at the door.

Because everyone on the seller side - including artists - make money on this.

If parties other than fans / buyers cared, it would be a solved problem.

I've seen quite a few artists opposed to it.

Quick example: https://www.instagram.com/p/DWWlQS-Dhj7/