This. IMO Yahoo's days as a technology company have long since ended (if they ever really existed in the first place). They have never been a heavily algorithms

This. IMO Yahoo's days as a technology company have long since ended (if they ever really existed in the first place). They have never been a heavily algorithms-based company like Google is. IMO Yahoo's best bet is to reinvent themselves as a world-class product company, and rent the relevant tech stack from someone who can actually do a good job of it.