Two of those are from the kids forum! That is what it is for, for the younger ones to chat to each other - they do that, they don't generally have a lot to say about Tapu's and the price of cooked chicken.
The other is from a returning restaurant waiter, letting people know he has returned - in the bar & restaurant discussion forum!
I am not picking on you - when a topic ends with one member talking directly to another, like they were in a private conversation on MSN, then it is taking the discussion off topic and is also considered rather rude.
Like is happening right now - you have engaged me in a 1 to 1 conversation in a topic called "Attempted Break In".
As a general rule of thumb, type out what you want to post, then look at the topic heading, and ask if what you just wrote is relevant to it.
It isn't rocket science, there is a private message facility, which is quite useful for...private messages