The biggest issue[1] I've found with vi(m)-like modes in shells and readline is the lack of any feedback as to which mode you're in. That, and my tendency to us

The biggest issue[1] I've found with vi(m)-like modes in shells and readline is the lack of any feedback as to which mode you're in. That, and my tendency to use C-c as an alternative to esc in vim has...unfortunate consequences in the shell, although I could potentially rebind it. [1] Actually, the biggest is 'discovered it set by default on a server you occasionally adminster, and taking far too long to realise why you're typing largely gibberish'