I have no experience to share on the creator side, but as a user I am ever fearful of extensions getting rugpulled. Many popular but fading extensions sell out to nefarious companies just looking for users to adspam. Please don't do that.
The simplest way to grow it is to share the link to it in this thread – you have eyes on you, take advantage of them.
Thanks for the idea of sharing the extension but I'd like to focus any discussion around growth itself.
As for being concerned about a rugpull, I definitely get it. My approach is to keep as much of the product open source as possible and be very transparent around any ownership changes.
I've built a tool for this. How can I DM you?
I've added my contact email to my profile, thank you.