No, that’s absolutely perfect! If you can ever preemptively tackle a completely separate issue in a distinct topic, that’s even better. One thing you can do is — while replying to a topic — you can click the little 
button and choose to reply as a new topic:
That will do two things: it will create a response notification for the person you’re replying to, and it’ll leave a breadcrumb!
I’m obviously not going to split these responses, but I figured this overly superfluous example could make for a cutesy demonstration, too