I actually think it depends on context. Simply stating we should remove typing activity is difficult. After all typing activity can add a lot of dynamics to a conversation. It’s not just about making it human. It’s about making it more useful and digestible.
I wrote about this here in case you’re interested. https://medium.com/@azumbrunnen/my-website-is-now-conversational-here-is-what-i-learned-7e943cc6ace0