Are glyphs going from left to right the general rule now? It's not a language otherwise? Pretty sure there are a tonne of pre-Western languages that buck this trend.

People tend to use stickers in amongst regular text in a way that's more "I could write out how I feel/what I'm going to do to you/what you're going to do to me, but instead I will _show_ you".

Take the regular language in between stickers as the grammar/conjunctions as conjunctions are to regular language.