Please, please change the 1-week digest default on new installations - it’s so infuriating. I don’t ever want a digest email, and forcing someone to go into settings for every Discourse community and disable the digest as part of their regular sign-up-to-a-Discourse-process is such a waste of time. When you sign up to a community, you don’t necessarily know if you’ll want to stick around - the digests assume you’re interested in the long-term just because you signed up. Please respect people’s inboxes.
If you want to give site owners the power to annoy people, I don’t support that but I can see why you’d want it. But please change the default setting, at least, so lazy installers don’t proliferate digests on tiny communities everywhere.