Doesn't speaking Vietnamese properly involve mastery of tones and a complex system of pronouns/honorifics where you have to figure out the appropriate age/famil

Doesn't speaking Vietnamese properly involve mastery of tones and a complex system of pronouns/honorifics where you have to figure out the appropriate age/familiarity level which might be more challenging than the actual words? The main difficulty with learning German is that you tend to get replies in immaculate English