My AI teacher opened his class with telling us all about these researchers that were making predictions back in the 50's and 60's about AI. During that era, they had great expectations of AI only to have them crushed later. They made predictions that 10 years from then, we would be able to replace human translators with computers. As we know, computers have not replaced human translators. They were so unsuccessful, that there is what is called "The Dark Age of NLP (Natural Language Processing".
If I learned anything in that class, it was not to make predictions about when computers will or will not make AI breakthroughs. Historically, researchers have been way off.