Monthly website visitors is a strange metric to measure 'top' or success. https://glass.health/ for example is targetting B2B decision makers in health industry.
Solid analysis. Perhaps a lot of GenAI startups are SaaS companies? Or maybe that a focus area for YC - intersection of SaaS and GenAI / LLMs? Also some of the use-cases that these startups are targeting do look a light on incremental value add for the normal Joe.