It might not lead to singularity but for people who work in academia, in terms of setting and marking assignments and lecture notes, for good or bad AI has had an enormous impact.

You might argue that LLMs have simply exposed some systematic defects instead of improving anything, but the impact is there. Dozens of lecturing workflows that were pretty standard 2 years ago are no longer viable. This includes the entirety of online and remote education which ironically dozens of universities started investing in after Covid, right around when chatgpt launched. To put this impact in context, we are talking about the tertiary and secondary sector globally.