I worked at a paint store in my teens (2010s) that operated a beautiful text only PoS system that had been built decades ago and it was incredible. So efficient, purpose built, nary a click.
Yeah and owner would have to have SWE on payroll to continue having it working. It's why people migrated to a more general, albeit sometimes also more confusing apps/platforms.
It was a chain (Sherwin Williams), so I assume they could afford an in house dev team.