My computer use is heavily keyboard-driven. I don’t find it common to encounter things that are broken. Problems, sure (e.g. airlines’ date and airport selectio

My computer use is heavily keyboard-driven. I don’t find it common to encounter things that are broken. Problems, sure (e.g. airlines’ date and airport selection dropdowns are pretty consistently poor, normally breaking basic usability stuff like “if I type MEL and then press Tab, I selected Melbourne, I didn’t throw away what I typed”; and improper killing of focus indicators is still stupidly common), but seriously with no extra or special software installed for the purpose, having no mouse would only slow me down in some places, without ruining anything for me.