I sometimes wonder if every alphabetic language is destined to become an ideogramic (don't know if this is a word) language. 



I prefer not to receive those responses but my sense is that they're expected. The thumbs up emoji has done a great job of absorbing most instances of these replies though.

Undisciplined

Right, but does the person reading such responses need you to send them? or are they still conveying enough info that they need to e said?