Earlier quoted context omitted.
Ugh, the number of dark patterns trying to cost me money just to purchase a damned ticket on Ticketbastards today. Seriously by not clicking the right boxes I could have agreed to pay an extra $42 in add-ons/services for a $15 ticket that had its own $6 in fees added.
For Ticketmaster? That's odd, I deal with them quite a bit, and while they've definitely got a racket going on, usually they aren't opting you in for extra stuff (because you'll juts call to complain to their support and get it changed). I have seen them accidentally auto-select certain additions before, but that was a non-standard option on that event, and it was definitely a mistake.
If all the mistakes go the company's way, then, at best, the company is working much harder at avoiding mistakes that hurt themselves than they are at getting it right.
This goes for credit card companies and many other firms.