Thank you! Seriously, this is getting tiring.
How tiring can it be to skip over a headline + article summary when you see something you're not interested in? Here's a pro tip: Before you click through and read a Slashdot story, read the headline (and/or skim the summary) and see if it's something that interests you first. If, for example, you're not interested in reading more stories about The Martian, if the headline mentions "The Martian", then don't click on it.
What you're doing is the opposite, you've not only clicked on the story, but you've read enough of the comments to find someone that agrees with you and you've posted a comment -- no wonder you find it so tiring, you don't have to tell everyone when you're not interested in a story, you can just silently skip it.