An extremely interesting and complex discussion could be had about the merits of that advice.
In a perfect world, it would be fine, since science is highly trustworthy. Unfortunately, the world we live in is far from perfect, making it far less easy to determine how optimal the approach is.
And ironically, you would think that science minded people would understand and appreciate these complexities and their legitimate importance, however in my experience they tend to be the ones most averse to them.
