I went to the Glasgow Youth Theatre and they just let me in. But I was so shy that I was there for about six weeks without actually introducing myself. ↗
Swipe fees have increased steadily since the introduction of debit cards 20 years ago, when there were no swipe fees at all. Merchants can't negotiate or control them. They've tried, but they have no leverage against the big banks and issuers. So they get ignored. ↗
I'm not saying we purposely introduced bugs or anything, but this is kind of a natural result of any complexities of software... that you can't fully test it. ↗