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Counter point: as someone who plays with trading options as a hobby I instantly knew what this is!

Yep same here. I usually agree with the whole "your grandmother should get it" but don't think that applies here.

Same (but spent the last 4 years trading options as my main hobby)

There's loads of other places to learn about options trading, e.g. /r/thetagang. I echo the other commenter, I understood instantly what the purpose of this site is. A comparable site is optionsprofitcalculator.com which also has only a brief introduction.

I also didn't get it, however I only trade options once in a while. I don't know whether they should put a tutorial/about section, but I'd love to know what this is for, if anyone would care to shed some light.