You do realise that with bounties in place there are many fake articles and social media posts, even youtube videos are fake. As some ICOs offer payment in bitcoin or other cryptocurrencies other than in their tokens to well known persons on the internet to shill their coin whether it be on youtube or twitter. So honestly I don't find this sheets metric accurate.
I understand. But such spreadsheets actuall y filter a lot of rubbish projects. So if I take them into consideration - I take them carefully and do my own research. But such spreadsheets are very imformative