I say hi to people I know all the time.
And every time I say hi again to someone in a thread, it's usually a new day.
![Smile :)](./images/smilies/icon_e_smile.gif)
Which, if this were real life, and I saw the same person again the following day, I would greet them again all the same.
So naturally, I'm going to say hello! <3 Plus, greeting people is lovely, and polite. You don't have to do it if you don't want to, but I don't think it's necessarily stupid. To each their own.
Also, everybody has different views on fun.
![Wink ;)](./images/smilies/icon_e_wink.gif)
So it's not fair to judge how much fun someone is having based on your own opinions on it. For example, I have fun by greeting people, because I like people!
So hello!