Reddit reviews 100 Tree Myths

it's very easy to grow trees, it's actually more difficult to kill some, many factors involved from species, soils, climate, moisture. Longevity however, depends on every step along the way. Things that you may think simple, harmless or even beneficial because they accomplish your(and the consumers) desired effect have a long term consequence. I think you still have some misconceptions about what is healthy for a tree and what is not. https://www.amazon.com/100-Tree-Myths-Alex-Shigo/dp/0943563119 this could ba a starting point for you.