On a fence.
Teachers lie, ppl here lie. Not so much in the sense of a malicious lie, but strictly speaking not telling the truth.
I only had one teacher who had the good sense and common decency to state up front that he would be lying to us. Frequently.
He might say "never" instead of "very probably not ever", or zero when 0.001 might be more accurate; that you "can't" do something when it might just mean you shouldn't, or aren't at a point where it is a good idea.
And so forth. Sometimes always never maybe. For our own good?
He also promised that he would take no trouble to go out of his way to indicate that he was lying. Not telling the truth that is, or the whole truth.
And again was kind enough to allow that he would not catch us in his lies.
Occasionally some in the class would call him out on a lie. In those cases he would address the matter variously, sometimes briefly and other times using it as an opportunity to open the window a bit. Never ruffled a feather on that dude.
I am sure y'all know the kind of absolute statements that are made by the heavies around here. Most of the time they can be left uncommented upon. Those that know do, those that don't, well, don't and as long as the matter is not dangerously wrong and misleading it can be left as is.
My favorite, and one I will admit to challenging myself, shouldn't bother, is the idea that the mills() counter cannot be reset after power up…
Like anything you pick up (learn?) anywhere on the internets, if you get a tingle of a hint that it isn't 100 percent on the up and up, a vast wealth of alternate resources is available.
At least with electronics and software, there are facts and answers, and means to test and verify.
So I think if some noob is considering that a switch and a resistor are forming a voltage divider, I'd tell him the switch has zero resistance and to see how silly that is, or really hey! that is a voltage divider, never thought of it that way! and/but you numerator for the voltage on the switch is 0.
But it is hard being at a distance, for here really is a the kind of case where knowing the student(s) in front of you would be a guide to how to proceed.