I have to agree with JT final paragraph.
The quickest way to lose your money, and mind, is to fight a legal battle because you think you are right, on the principle.
It usually does not turn out like The Castle.
An appeal cannot introduce new evidence. Your grounds have to be thst the law was not applied correctly.
You say that the majority of owners are on the side of the SC. As a strata is a democracy and you seem to be in the minority, you’re going to be unsuccessful until you convince more owners to side with you.