Folks focus on the impact simplicity has on the customer, but it's also worth noting the impact it has on the manufacturer. With a simple product they get a simple business.
- Simple warranty support
- No deep bench of customer support staff
- No complex financing
- Straightforward sales process
I'm more curious about the other direction. How many times has a model replied to a request with "Are you sure?" I'd bet just about zero.
In my job I do it all the time; people ask for stuff and I often spend a lot of time on clarifying questions, the most fundamental of which is "Are you sure this is what you want?"
Kim Stanley Robinson's description of a Martian space elevator falling and wrapping twice around the entire planet convinced me that they aren't a good idea.