I'm sorry if the website didn't convey the right idea, but we know that this is not, at least right now, a "painkiller". This is just something nice to use. Not targeted to somebody with the wet dream of macOS being a tiling window manager... We're developers ourself, we love the terminal, and we recognise its strengths. If you're already satisfied with that you absolutely don't have to purchase Brewer X. Friends as before ;)