I think that underlining helps to emphasise particularly important points better than highlighting and bolding do.
… OR, may be it makes the text look cluttered.
Well you aren’t forced to use it. Some people like it, some don’t. I just want the option to use it when I feel that it’s appropriate.
It’s not that it wouldn’t be a nice feature to have. I suspect that not enough people want this badly enough as an option that they’d actually end up implementing it.
You could do a poll in the forum to see how people respond?
My method is to purposefully misspell the word prior to my emphasized text, use all caps, embed a picture of Mr. T and sign it, “what up with that, killa?”
I don’t know that they pay more attention, but I feel better.
They used to have this feature but it disappeared during an update some years back.