Yes they do, all the time. It's called growth.
That makes no sense whatsoever, unless you're talking about a child. And no, most new members to this forum do not behave like this "all the time."
By the way, who appointed you hall monitor?
Who appointed you Chief Judge of the Forum Court? You gonna issue me a restraining order? Sheeeesh.....
A real pro would hang around a little, act friendly etc., before ramming the thermometer in.
This one is either a loner, a bit lazy, or just can't write or speak well on their own.
We've all seen a few of the latter. Often enough such individuals are found to be brittle, if one can ever draw them out.
It becomes apparent they cannot speak or write well, and they get their panties in a bunch when they or their opinions are challenged. Along with all of that, evidence of an exaggerated sense of self-importance will come to light.
In other words, they could fit right in around here, if they really wanted to. ;^)
If you spot it, you got it.