Without throwing out arguable statistical percentages, I’ll just say “most” communication is non-verbal. A wink, a raised eyebrow or a smile speaks volumes that words cannot convey, IMHO.Have we turned into 14 year old girls???
If you actually say precisely what you mean in English, you might find the need for emojis lessen. English is the most succinct and descriptive language extant.
Use it as intended. 100 million lawyers, poets, novelists and journalists do.