I don't see a dilution of that magnitude as a problem when the material is the core material of the site. It wouldn't be obviously silly to have this as a lasting feature of the site, and start again when we finally finish.
Honestly, permanent daily Sequence reruns don't sound like a bad idea at all.
The book version of the Sequences is supposed to be published in the next month or two, if I understand correctly. I would really enjoy an online reading group to go through the book together.
Reasons for a reading group: