[D] Why isn't more research being done in neuro-sumbolic AI direction?

Despite being backed by IBM, it seems like a pretty dead subject, compared to language processing and other "trendy" technologies.

If I'm correct, one of the biggest flaws of symbolic ai is that it relies on human-input rules, requiring operators to perform manual work for it to be usable. If a system could be designed that has the capacity to automatically generate and update existing rules, it could potentially serve as a pretty solid autonomous agent, capable of basic though …

flaws human ibm isn language language processing machinelearning neuro operators processing research rules symbolic ai technologies work