The latest most up-to-date way to handle INR fluctuations

On  the 'latest' about how to handle low or high INR scores--- and I'm not trying to say it's not a good way! But looking at how methods of dispensing medications have changed many times, a big concern among doctors/manufacturers is just one clue. Ethical doctors are flummoxed by 'non-compliant' patients-----and always want to find ways to improve their compliance. Many warfarin patients will find it difficult to control the Vit K in their diet. (Who can blame them---- it's confusing and often involves other factors influencing the INR) But ALL THINGS BEING EQUAL a small disparity can be controlled by Vit K diet. But will Patient X do that? Maybe, maybe not. I will. But my neighbor may not. So---- what to do? Control the INR by changing the dose. Easy peasy. Manufacturers of warfarin will love it too, a twofer! That might mean more drugs sold. There's more control built into that method which is a good thing for some patients AND for the ethical doctor who is tearing his hair out because of a 'non-compliant' patient. So, that's the 'other side' of the dosing of warfarin. I can't find fault with it---- because the bottom line is---- the patient lives. But it isn't the ONLY way. It's just the way that doctors and their ilk have found to be the solution with the most compliance among their patients. (There's always a back-story to almost everything) Not about warfarin, but other medications: compliance has it's place in that also. Many drugs now are being manufactured for 'non-compliant' patients; those that just can't seem to remember to take a medication necessary to save their life three times a day!!!! So, enter CR orf XR or whatever. Controlled Release or Extended Release etc. The lazy patient only has to take one pill a day and those cute little pellets inside the capsule 'remember' for him. The problem is-----(not for the manufacturers, cuz they get to sell more drugs!) some of those drugs don't work as well. A former, very ethical, doctor I saw wouldn't rx them for that reason. But people love them! Doctors love them. Manufacturers love them. There usually ARE two sides to every matter; well maybe not gravity, but who knows?
 And in science those 'sides' are constantly shifting, which is the beauty of it.