How to use Emojis and Highlighting text (dev.to) and should we use it ?

Hi guys,
first how to use it.

Highlighting words or texts can be done like <mark>highlight word</mark>

Emojis can be used from this example list
😄 ⭐ and all we do is post this in plain text:star:

Now to the question. Do you prefer to see it in the posts ?
What do you think ? Put it in the comments!