Excellent piece (upvoted)! I think it's great (and inevitable) that crypto is getting this kind of attention from the larger financial ecosystem, but these ratings are seriously biased and flawed. Notice that none of the top grades went to coins that supplant fiat? If interested in the bias and methodological issues, check out my last blog -
https://steemit.com/cryptocurrency/@thejosh/why-the-weiss-cryptocurrency-ratings-are-ridiculous-but-also-why-their-particular-brand-of-bs-is-good-for-crypto