"Currently pursuing another relationship"

So, I promise to get to my date stories - but first I have to ask this question. If you see a guy online and he meets all of the criteria below - but his reason to close you is because he's "currently pursuring another relationship", I call shenanigans. I might even call bullshit. If you're pursing a relationship, why are you on this damn online dating website anyway? I mean if it's serious enough that you are rejecting women, maybe you shouldn't be getting matched/trolling in the first place. Am I right? Thoughts?