The same thing happens with optimizing code for speed/efficiency/etc. People want rules of thumb and they don't want to hear the truth, which is "Rules of thumb

The same thing happens with optimizing code for speed/efficiency/etc. People want rules of thumb and they don't want to hear the truth, which is "Rules of thumb are usually bullshit. You need to measure, change something, then measure again. Your system may or may not be the same as mine."