I really absolutely do not understand "verses" mentality and that if everything must support same feature set or it's "bad". You shouldn't choosing SQL over no

I really absolutely do not understand "verses" mentality and that if everything must support same feature set or it's "bad". You shouldn't choosing SQL over noSQL, you choose both (or none, or other stuff as your problem requires) and use them in appropriate places in your infrastructure. Sometimes you want performance over durability.