Unguided code style decisions and the whole personal style things sometimes display an intention behind a piece of code. They can hint on semantics and relations between the pieces of data or operations, like it's often the case with grouping that doesn't separate bunch of statements with a blank line. Sometimes, they can even carry an emotional message. Love, hate, grudges, deepest affection for some golden hammer feature of the language, everything is on the table actually. For instance, this is what fear looks like:

3==o