I think it does not really need a shill army for that to happen. The only thing needed would be fans of he idea and a community that video was posted in right after release. For sure many of the viewers would upvote the vide.
Doesn't really mean that they have to be paid supporters or sockpuppet accounts. Of course it is possible that they are.
Well, I'm pretty sick of this political war. Emotions are heated up so much often that argumenting in a civilized manner becomes hard and tiring.
There is always a master shill that organizes the shilling, and a few of his soldiers of his that reinforce his arguments.
And then there are the sheeps and fanboys that go along with everything.
Actually it isn't. It depends on how much interaction you've had and how much reading you've done in these threads. Users that fail to listen to reason, that try spreading false information and FUD against Core constantly (even though they've been corrected several times) are really obvious (as an example).
On the internet its hard to tell, you know that phenomena where you cant tell on the internet if person is very sarcastic or really that dumb.
It is best to stay away from places such as r/btc. You would only waste your time there.
Luckily 'btc' has less google seraches than 'bitcoin' , so most newbies will more likely join /bitcoin subreddit after their first google search.
So for now we have the upper hand and the majority of will of the users.
https://www.google.com/trends/explore#q=btc%2C%20bitcoin&date=today%2012-m&cmpt=q&tz=Etc%2FGMT