Its is true, but on the other side not for me.^^
Sure, some parts of interaction ([micro]Mimic, Gesticulate, Voice, feeling the aura etc.pp) between humans will be missed online. But let give me a little example, why it is online, like offline, or Contact is Contact in different ways always contact:
My Grandfather meet my Grandmother 3 times in the first year. The most time, they wrote letters....then they married. Don´t forget, with three times of real contact. That is not a lot to go Marriaged. But the letters, make a relationship, who stay for a lifetime.
Here, it is the self with a relationship in the internet. Yes, it needs way more time to learn about the other, but you got also positive way´s to learn more than offline, about a person you meet online. The time is not just bad who is been needed. It gives room for Reflexion about the Interaktion. ;-)
Just the time is the question.
In the end of the game, you will never know a person.
Started with yourself. ;-)
I wish you a healthy time. :-)
Salve
Sascha