It's possible to login and interact and use late.sh with just your SSH client - there's no need to download or run custom code. But you that did make me realise that they don't have a github link on that page anywhere.
Your tone in this comment is a bit out of place on HN. Why are you here if you think it's 1M dummies?
The people why ran that line without knowing what it does are dummies. And yes maybe not 1M but there were a lot of them.