The bottom line is the evidence does not fit the theory.
One evolutionary scientist tried to pressure his readers by claiming “biologists today consider the common ancestry of all life a fact on par with the sphericity of the earth.”
Everyone is familiar with the striking ability of certain birds (such as parrots) to vocalize speech, much as humans do.
Once you admit common design into your explanatory toolkit, the prospect that similar genetic mechanisms would be used in different species isn’t “surprising” at all.
A new book provides some wonderful arguments that challenge common descent and neo-Darwinian explanations of evolution.