This is an interesting thought.
“For attorneys that can’t keep up with what becomes generally accepted as standard practice for lawyer tech, like email, there could be an ethical issue with charging clients for tasks that take twice as long due to antiquated business practices.”
I think this is something that we could very easily see in the area of eDiscovery, even something as simple as using analytics tools or not using them. Something like email threading, or near-duplicate detection can shave hours off of review time. If clients discover that you aren’t using them and continuing to bill away those review hours, are you being ethical towards them?
I’m not a lawyer, but if I were the client in that case, I wouldn’t be very happy, whether it actually violates ethics or not.