Because when they eventually get their wet dream of 7-day renewals, everyone replies upon them once a week. LE being down for 48-hours could take out a big chunk of the Internet.
Certificates have historically been a "fire and forget" but constant re-issuance will make LE as important as DNS and web hosting.
Certificates have historically been a "fire and forget" but constant re-issuance will make LE as important as DNS and web hosting.