It doesn't matter what Muslim cultures believe. What matters is what our laws are. Our laws place children at a lower rights level but having extra legal protections under the law to go along with that. It has nothing to do with "intolerance" or "being afraid", that is merely you trying to deflect the truth of the argument.
And it still goes to the very fact that our laws do not allow for children or animals to enter into contracts legally for very good, logical reasons. You cannot prove any measurable harm done to society or individuals due to homosexuality itself. All you have is personal opinions that derive from your dislike of homosexuals.
And anal sex is participated in much more by heterosexuals, numerically, than it is homosexuals. Argument fails.