Reading through their mail merge tutorial, their method looks insanely risky: putting all addresses in “to” and rembering to click another button.

“Gourmetally free”, surely, without the oppression of the squeamish crowds?

IIRC Cloudflare is the only registrar that doesn’t mark up from wholesale prices, or something like that. Basically makes them cheaper than most other registrars. I think the point is that they can then sell you their other (related) services more easily — the services that actually make them money.