What are you surprised isn’t being worked on less?

Call me crazy but I'm struggling to think of a research area with irrational investment.

A 21st century deep drilling record that surpasses the https://en.wikipedia.org/wiki/Kola_Superdeep_Borehole

MLOps. Why are there so many new startups when the giants like GCP, AWS, H2o etc have already productionized most of the major features, and will add new features in a flash.

Hyperloop. But then again I haven't heard anything in a while

String theory.

Crud apps.