This was mentioned before: Disable weekly summary by default?
However I would like to re-express this and point out that in some jurisdictions sending this type of email without explicit consent is illegal.
If we think they are well-received there should be a checkbox to enable the feature.
This site provides an overview of some laws: https://www.relationshipone.com/blog/guide-can-spam-casl-gdpr/. Notably GDPR and Canada’s Anti-Spam Legislation require explicit consent.