maples

Hi all. I purchased and planted two 10 foot Autumn Blaze Maples in my established yard in May 2022. I am located in central Utah, in the valley not far from Utah Lake. Both trees seemed healthy and did really well that first summer. As directed by the nursery where I purchased them, I gave them...

Is moss growing on maple tree bark detrimental to the tree? Is there anything to do for it. Would spraying Wet it Forget it harm the tree? What causes the splits in the bark? I am thinking these two trees are about at the end of their life and may need to be removed. Photos attached.