I guess it would depend on your sample size and what you are using in comparison.  For example, I doubt whether you'd find this prevalent in the Daz, Maya, Blender, Poser, Max communities either.  I don't have the time for an exhaustive study but even in movies made by Pixar you see a whole lot of "faking" going on.

Perhaps if you'd point us to a homemade (as opposed to professional) video showing what you mean we could be more specific.  In general, "communities" are composed of folks who are learning the software (the pros seldom visit such or, if they do, don't have time and/or permission to post their work). 

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Alienware Aurora R16, Win 11, i9-149000KF, 3.20GHz CPU, 64GB RAM, RTX 4090 (24GB), Samsung 870 Pro 8TB, Gen3 MVNe M-2 SSD, 4TBx2, 39" Alienware Widescreen Monitor
Mike "ex-genius" Kelley

Since soooo few iClone animations I see exhibit this level of mastery, I'd conclude the overall iClone community animation skill level is low?  Even using iClone.

Well. you've certainly outlined one of the hardest things in any animation, 2D or 3D.  There are no (AFAIK) "automagic" ways of accomplishing this.

But... first and foremost you need to become an experienced animator.  Of just ONE person.  Like with anything else, you need to understand ALL the fundamentals before you can do more advanced stuff.  So, like you wouldn't expect a person to be able to compete in a marathon unless they knew how to walk first, you need to learn how to walk, then run, then you *may* be able to do those more advanced things.  

And... it will take time.  For you to get to be experienced at animation I would suggest it would take at least three months, if not longer (that's assuming you can devote at least three or four hours a day to the task -- with lesser time per day it will take more days).  By the time you understand all of that, know how to animate a character pick up a spoon and feed themselves, and can do it with ease and grace, THEN you can start having them interact with another.  And THAT will take another three months (or more).

As long as you have the time (and the patience) you can do all this.  But there is no "one stop course" that will tell you all.  Start at the beginning and soon you'll be teaching US.

(Also, note that most such interactions are "faked" to a large degree -- just like with someone feeding themselves, you don't see all the details but just see bodies in front of each other with movements that make you think things are happening, even if the actual avatars are feet away from each other).

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Alienware Aurora R16, Win 11, i9-149000KF, 3.20GHz CPU, 64GB RAM, RTX 4090 (24GB), Samsung 870 Pro 8TB, Gen3 MVNe M-2 SSD, 4TBx2, 39" Alienware Widescreen Monitor
Mike "ex-genius" Kelley

CHARACTER INTERACTION HOW TO's  I can't find any help on how to make two or more characters physically interact.  Silent YouTube vids with jittery clicks on tiiiiiny icons drive me nuts.  Few people are good instructors who plan carefully and convey clearly.  Humans kiss, hand each other bottles, take off each other's shoes, high five, walk holding hands, spoon feed, lift babies into bed, shake hands, hug, undress another, breastfeed, and on and on and on but iClone doesn't appear strong in animating this kind of stuff except for combat in droves for hormonal teens. Forum, Google, and YouTube aren't helpful in locating instruction for accomplishing these animation tasks.  Help if you can.  Thanx!