What is the benefit of God creating the small hand of the whale and human nipples, and does everything God created have a benefit?

The theory of evolution is no longer popular, and its weakness has been proven, as well as that it is not based on a real scientific foundation, but rather by the testimony of Western theorists themselves. As for organs that some imagine to be useless, they may have benefits and wisdom hidden from humans due to the limitations of their knowledge, such as the appendix, which may have been inherited from the ancestral human who relied on plants, and science may uncover its true nature later.