The implication of design, while no doubt unintended, is so powerful it almost doesn’t need to be spelled out.
The ancient model of the cosmos, which was the model presupposed by most scientists prior to the mid 20th century, was Steady State.
Lents studies rotting corpses and household plants. He might not know much about (living) human physiology.
In all of his “poor” design arguments, Lents inadvertently embraces the design inference.
He thinks they should be inside the body, not outside.