I think it all comes down to personal preference, really. Some people like to use it, others don't. Myself, I found myself surrounded by people that use quotations in /say, so it ended up becoming a habit. Add on to the emotes I'll sometimes put in /say, and it's just stuck.
Honestly, as long as no one's breaking any RP etiquette or being a massive douchenozzle or a troll, I could care less about another person's format.
Honestly, as long as no one's breaking any RP etiquette or being a massive douchenozzle or a troll, I could care less about another person's format.