becomes valuable after distinguishing the people of worth vs the rest. not sure why publishers closing comments, perhaps due to lack of control over what's valuable and what's not or perhaps until the likes of fb has a efficient enough app to monitor comments, fake news. it would be great if there was some sort of user rating system to track user comments and immediately show who's a novice and who's an expert, also who just complains and who's genuinely wanting to engage or contribute constructively.