Newsletters can work for a very targeted topic that has an audience that it equally targeted on that same topic, e.g. AWS.
But there's real email fatigue out there. I know some folks who are reasonably well-known in the tech space who have tried newsletters at various times but gave up (as did I) because people generally just don't want another weekly or biweekly email. (And even if they give up their email address, they mostly don't open or read.)
It's too bad in a way because a newsletter is a nice format for short form topical news and commentary on articles in a way that blog posts really aren't.
But there's real email fatigue out there. I know some folks who are reasonably well-known in the tech space who have tried newsletters at various times but gave up (as did I) because people generally just don't want another weekly or biweekly email. (And even if they give up their email address, they mostly don't open or read.)
It's too bad in a way because a newsletter is a nice format for short form topical news and commentary on articles in a way that blog posts really aren't.