I agree that taller frets will yield a more pronounced problem with regard to intonation. However, I advocate dealing with small problems of intonation. Very small errors can rob a chord on a single guitar or the entire harmonic structure of a group. Harmonic overtones disappear...the magic is gone. So, ime, one has to pay close attention to intonation even with lower frets. By the time one's fingers are contacting the fretboard because of extremely low frets or----if one would want to fully appreciate the pressure aspect---the fingers are stopping the string/s on a fretless instrument's fingerboard and therefore in these two situations intonation can and had been made of no concern; one is left with the questions...."Why am I trying to murder this neck? Why do my fingers and hand ache? Why is my arm numb? How did I get carpal tunnel syndrome?" Imho, there is only one proper way to fret a fretted instrument as I stated above...ymmv. Here is a simple experiment that I use to try to get guitar students...and aren't we all??....to understand what goes on. Tune the Low E string so that when fretted with correct technique as described above at the third fret that G is in tune with the open G string...really in tune at the 3rd fret. (This eliminates whatever basic intonation problems the guitar may have. I don't see too many guitars that are well set-up, but I make sure to get a fretted G even with a guitar that is set up but maybe the strings are old and don't quite intonate as they did when they were new.) So, we have a light touch on the 3rd fret E string and have a G that is in tune with the open G string. Go ahead now and either press down hard and/or bend that string----in other words, apply excessive force. IF you are using an electronic tuner you will see the note go sharp. Your ear will hear the note go sharp...and I prefer NOT to use electronic devices when I am trying to instruct my ear on this exercise. Release the note...rub out the pain. Move the fretting finger away from the fret..once again just touching and 'killing' the string///pick constantly while gradually increasing the fretting force until the note sounds out----it will not truly ring because the position kills the tone. Your ear will notice and an electronic tuner will show that the fretted "G" is now not a G but is sharp in addition to being dull and dying quickly. There is discomfort in the fingertip, and the hand and arm muscles are not as relaxed as they could be. I hear only bad things when I hear incorrect fretting technique.