It seems like it got 15 upvotes, so it might have been worth it.

This isn't reddit who cares about upvotes here?

Everyone.

Points help you calibrate your own behaviour to be more helpful to others in this community.

Whatever helpful means in a context.

In this case it was a funny comment well received by the community.

Wait how do you tell if it got upvotes?

Click the user name, has 21 points, only made one post, ergo...

You set your time machine 6 months into the future, then the upvotes show up on hn.algolia.com.