"Why can't it do legal research" "why can't it do shopping" (and so on)

--Because it's still just a chatbot, people are working on giving it tools but we haven't reached the mature development phase of that yet we're still in the hopes&dreams phase. "GPT with tools" is going to be another incremental revolution but we're still critiquing GPT without tools and how well it performs work. What it's performing is a linguistic approximation of the work.

This blows people's minds for featherweight computer programming but at the present moment it is distinctly less helpful for laying bricks or felling trees.