Where did the 3 to 4 ml is average come from? Until a 'baseline' can be established, we'll never know what excessive is.
From polls like this I would assume...
How much eliquid do you use?
How Much Liquid Do You Use Per Day?
Back before competitive vaping was a thing.
And there was no "clouds bro" crap.
For anyone vaping to avoid smoking, raise the nicotine level and vape less.
Lowering the nicotine and vaping more is
NOT a good idea.
This is a no-brainer.
For anyone vaping for any reason other than to avoid smoking...
I don't care what you do, as long as what you do doesn't ruin it for those trying to avoid smoking...
THE END
EDIT: My apologies.
When I was talking about avoiding smoking I was referring to people who are vaping because of a need for nicotine. But I also recognize that there are LOTS of people who need other things from vaping (besides nicotine) to avoid smoking. Like more vaper, or more flavor, or increased convenience, or ease of use, or more throat hit, or less throat hit, or lots and lots of hand-to-mouth.
So yeah, if you need more of (whatever) in order to avoid smoking...
Do it.
But still, the less vapor the better.
Well, probably the less flavoring the better.
But yeah.