And, I would argue is the best engineering decision for low volumes and small button counts.
I'm not disagreeing. I was just surprised that plain gray rubber buttons without markings are not a standard orderable part.
We're both on the same page on this.
I didn't mean to sound disagreeable.
I'm a bit surprised at the lack of standard patterns available in the market as well, but this is usually because there accompanying plastic injection mold tooling that is so expensive that it makes no sense to not get a fully custom keypad solution at that point. So, an off the shelf keypad market really has not developed and what turnkey solutions are available are usually crazy expensive.