If it makes you feel better, I has a similar cap when I lived in Silicon Valley

We had one of those in the 2010s here in Texas, although it might have raised to $2

This is the way most of the ones around me work. It’s extra frustrating because as soon as you start pressing extra buttons the cashier knows you are not giving a tip. I tip generously at dine in restaurants but tipping for pickup is ridiculous.

Simultaneously OCD trigger and OCD in action