Just looking at the plethora of solutions for this problem, that are recommended in this thread, makes me think that there is something here that is being radic

Just looking at the plethora of solutions for this problem, that are recommended in this thread, makes me think that there is something here that is being radically missed by the OS decision-makers that don't implement these kinds of tiling features by default in the OS. So many solutions to the same problem! Surely this is a sign that there are features missing in the Window manager, which should be making it into the OS at some point?