1. In theory Yes, cause too many updates, too little time. In practice, this will turn into Yet another source of information to visit, so it better be good.
3. Because LLMs/Vector-search are getting “good enough” with Text, I think there is a potential here to bypass all the traditional feed-like UI, and go straight for the "give me a summary of the top updates since last time for all js libs on my list" kind of simple NLP search UI