Exactly. Creating a few unified rules to cover every imaginable situation just doesn't work. But without the rules, you end up with an even bigger mess.
IDPA's Tactical Sequence is my favorite example. I despise the rule and know very few respectable trainers who still subscribe to the idea of putting one anemic bullet in a bunch of people before finally getting down to finishing each one of them off in turn. But it's a pretty straightforward rule once you understand what they're asking you to do. It's hard for me to get too worked up about how I'm being asked to shoot unmoving, harmless "threats" that I've been able to look for ten minutes and think about exactly how I'm going to shoot them.
This new cover rule (if it's being interpreted correctly to say that reloads behind cover must be flat footed) can be pilloried for being extremely untactical or it could be shown to be quite tactical... depending on the situation, etc.