If your comment was intended to be a response to someone else, it should have showed up in a subthread, not as a separate comment, directly under the OP.
If you are just semi-randomly posting replies directly under the OP, they are unlikely to be seen by the person that you are replying to.
the one that orphans comments like this
https://www.thefp.com/p/its-time-to-get-serious/comment/12026632
Huh. Doesn't appear to be orphaned in my browser. Maybe you're being gaslit.
If your comment was intended to be a response to someone else, it should have showed up in a subthread, not as a separate comment, directly under the OP.
If you are just semi-randomly posting replies directly under the OP, they are unlikely to be seen by the person that you are replying to.