It's their comment. Ignore it. It's not that serious

🌴👼🌴
......💐......
For You

You're right, the point of commenting depends on the post topic.
For example like, comment about your favorite music, and the topic is about your favorite music.
So he's being off topic-

What was the point of commenting if you’re just gonna say “okay?” If you aren’t amused then be quiet and ignore it