Why did he have to call mine "silly, childish, mental masturbation?"
If he called
you silly or childish then he is in violation of forum guidelines. I don't recall where he did.
If he called your
ideas silly or childish then he is expected (and you can call him to do so) to back up that. If he is able to then the ideas are indeed silly or childish.
Which is it? Do you need him to back up what he says more?
You are in a science forum. Just like those creationist who pretend to want to do science you have to play by the rules. That involves producing evidence. Jar suggests that there is evidence against things that some creationists believe. If his evidence is reasonable and not countered then for those creationists to continue to believe in those things is indeed childish and silly.
If you wish to defend those creationists because they
believe things in spite of reason and evidence then you are simply agreeing that their ideas are not creation "science"; do not belong in our schools and are indeed silly.
If you don't like the rather challenging requirments of the scientific approach then you are invited to stay in the faith and belief areas of this site. It is very common for creationists who start wanting to show the validity of creation "science" to rile against the challenges that actually being scientific presents. They usually retire very quickly.