None of that has anything to do with 4.4.4. The phone has been set up that way from the start, and most of those features you mention that are lacking are simply the way stock android was set up. It's a Verizon specific phone that never promised compatibility with ATT or tmobile - the gsm support is intended to allow verizon owners who travel overseas to pop in a local sim and get service. No sd card support has nothing to do with the version of android on the phone.
If you like samsung phones, then keep buying them. You'll miss out on Moto assist driving, meeting, sleep, and home profiles, most of Touchless controls. But, that's what's great about android - there are so many options that please everybody.