This 2018 version of the thread is pretty insightful, regardless. 19 votes, 68% in favour of Cloudflare. A lot has changed in the DNS world since 2016.
Yes, Yandex was too slow and provided no protection whatsoever. Cleanbrowsing blocked too much, like image/video sharing webpages.
I was using DNSCrypt.nl for some time, but then it has suddenly upgraded to dnscrypt v2, which is not supported by Yandex.