Is there any benefit to having critical domains registered and DNSed at Cloudflare as opposed to using a separate registar w/ Cloudflare's DNS? The benefit of t

Is there any benefit to having critical domains registered and DNSed at Cloudflare as opposed to using a separate registar w/ Cloudflare's DNS? The benefit of the latter is that one has optionality of DNS providers, and additionally one can use DNS providers that support zone export for secondary DNS.