Yes, for countries outside of the EEA region, mbn_global.txt works best.
What you fail to understand is the reason some of these features are disabled for certain devices isn't necessarily to piss you off, it's because Xiaomi conducts their tests and if certain devices under-perform to their standards, they disable the features and replace them with lighter solutions to keep the devices at minimum lag and memory usage.
Yes, just not here, it's off-topic and has nothing to do with our ROM, there's a Mods subforum for that.