You can NOW edit your posts in the lounge.
Each forum must have its permissions set independantly of the others. Each forum also has 12 different items that need to have their permission level set.
The above lists them all. With over 40 individual forums you can imagen the task to set all of them up. For various reasons some have higher levels of permissions than others. Non of them should allow you to delete your message. Most should allow you to edit your message.