One is that in an open floor plan, you may not have time to find the nearest actual doorway. I would also imagine that the strength of any given doorway would

One is that in an open floor plan, you may not have time to find the nearest actual doorway. I would also imagine that the strength of any given doorway would depend on if the wall it was in is load bearing. A non load bearing wall is going to get crushed to bits once an actual load falls on it. I do think the advice is geared towards traditional furniture and not today’s IKEA particleboard crap.