The Ant-Man suit relies on physics that have nothing to do with ants. It can make its wearer arbitrarily large or small, down to the quantum level. The whole ant analogy thing seems arbitrary. In fact, his wife called herself "The Wasp". ... But yet Hank developed skills for controlling ants. Why did he fixate on ants?
Note that I am not asking why ants are great. that would be a different question, and one could argue that any specific type of organism is great.
Why does 'Hank Pym' in particular fixate on ants?