We use the Alternate output as an NDI output for bottom thirds in our livestream.  Trouble is that there is very little control over text formatting.  On our sanctuary screens, I can italicize the text on one line, and boldface on the next (to differentiate between leader's words and congregation's words), but I can't do the same with our alternate output.  This confuses folks who watch at home because they don't know when they should speak and when they shouldn't.