Your comment is considered spam because you send the same thing to every post.
If you want people to hear your message you need to post it on your blog, not in the comment section as a reply.
It’s bad Steemit etiquette to go the route you are going.
Before you make another comment, please read some of the many excellent steemit guides.
Here are some examples which are particularly relevant to you
https://steemit.com/steemit-abuse/@spaminator/updated-your-reputation-could-be-a-tasty-snack-with-the-wrong-comment
https://steemit.com/steemit/@miti/a-complete-guide-for-newcomers-and-minnows-to-avoid-a-possible-spam-and-to-write-good-comments
If you liked my blog but have nothing interesting to add, then an upvote is generally sufficient.