Just as an FYI, I would not use LLMs to generate content like this. When I get the whiff of LLM generated content it gets hard for me to read and I usually disengage.
Try writing your own content and see if you are able to get more engagement.
I'll try to be more constructive: as someone who made a living with my writing for years, focused on a tech audience, what you're selling here in a business like this is YOU. People subscribe because they like you and the way you write about stuff. Passing off LLM writing as your own really undercuts whatever value you're trying to offer. Do it the hard way.