Many great points in this @pluralistic thread on achieving meaningful change through joining a movement, but I wanted to highlight this note on "infrequently updated sites":
"I follow a bunch of people via RSS who only update a couple times per year."
https://mamot.fr/@pluralistic/113317953289922474
Not having "a lot" to say shouldn't stop you from sharing your thoughts and experiences in a blog. And you didn't "fail" if you only have one or two posts.