I’d guess not necessarily.

Writing a command for a cli tool is probably reasonably accessible to blind people.

But if I think of a typical workflow with unix tools (less, grep, awk, sed, sort, cut, etc), I feel like it involves a lot of glancing at the shape of a big page of results and deciding what to do. I wonder if this is harder/impossible for blind people? Maybe one just gets better at a different workflow involving eg lots of head, tail, grep -o, and less less.

I also would guess that tab-completion isn’t super accessible but maybe I’m completely wrong.

I guess 99.9% are. However, it is pretty hard to order a pizza or buy your weekly load of groceries with a CLI tool :-) If you want to interact with the rest of the world, you will likely need to use the web...