I know them, by tone. I read his/her take on the topic. Turns out you don't need to see any faces or body ratios of any kind to connect with people.
Thanks for keeping HN 'stable/sane'!
* never meet your heroes/heroines
* when you meet f2f with people you've known for decades online, prepared to be whelmed, under or over, depending.
People IRL are very often not what you projected. I learned this from UK mailing list interactions over 40 years ago.
One reason I love text discourse is that it gives me time to thoughtfully respond. My wife is super witty and can be instantly funny and social when she wants. It takes me more time to match that sociable wit.
My hunch is that wit-rate would be a contributing whelm factor.