Commands like a for appending text are unchanged from the teletype era, which are so old that most people don't know computers used printers as an output before screens!
It's pushed me to learn about projects that try to move beyond acumulated baggage and rethink principles.
I've been taking a look at Nushell for example, and even though I was initially skeptical of Helix because of how universal vim commands are, perhaps it's time to take a deeper look.