Because regular matter just can't compete with the drama and flair of its anti-matter counterpart
A group of rogue antimatter atoms decided to start their own revolution, but it ended in a spectacular fail when they all spontaneously combusted in a fit of existential dread.
A team of highly trained antimatter linguists tried to create an anagram for 'antimatter', but ended up with 'tamer tin' instead. They still can't look each other in the eye.