SO... If you have followed this thread and its recommended links.... You will now have a much better understanding of the subject.
As is often the case, the problem is in the name. Anti-mater. That does not give you a accurate idea to start with. Other-mater might be a better starting place.
Generally in life things do matter, or they do not... Different-mater.
That seemingly irrelevant imbalance between negative and positive may turn out to be what unlocked the Big Bang in the first place. Anti-mater, negative mater, as you can see... there is a lot to learn. Thats a positive.