"Never had a problem...while my tailights were still in view"
...A painter recently primed and painted a dusty wall ...and says that in new construction dusty walls are often painted...Is this true?
This is true
It is not good, but often in new construction the people painting don't bother to dust
...with no ill effects...Is this true?
This is not true
Although this type of "painter" will claim up and down they have been doing this for years and "never had a problem", there is a reason for that
It's because they are usually long gone when the problems show up
Put them on re-paints for a few years and they will be cussing out the ...people...that do that
There may be no ill effects until years later, or until it's repaint time
The simple act of trying to re-paint it can cause the whole nine yards to pull right of the wall
Sometimes it's not the first or second repaint, but even a later one
To be fair, it might hold...MIGHT
But you could also jump out of a plane w/o a parachute and MIGHT not die
Just because you can play a few rounds of Russian Roulette and not shoot yourself in the head...doesn't mean it's a good idea and you should keep doing it
It's bad....really bad...