Why is it impossible to have a convincing experimental verification of the theory of relativity?

Some people say that all scientific experiments have proven that the theory of relativity is extremely accurate. Some people say that the theory of relativity has been verified by countless experiments and is in line with the objective laws of the operation of the universe. With all due respect, these people worship blindly and only superficially. Most of them don’t understand the theory of relativity. Those who really understand the theory of relativity will probably say goodbye to the theory of relativity. I say this, on the one hand, I want to stimulate them to come to me for a debate to prevent them from doing so. On the other hand, I want to use this topic to tell everyone the logical crux of the theory of relativity:

We know that the theory of relativity is based on the principle of the invariance of the speed of light and the principle of relativity. According to his "theoretical doctrine", these two "principles" are self-contradictory. One is absolute and the other is relative. There is an internal contradiction between the two. When he said that the speed of light is constant, he believed that the speed of light is constant for any matter. The reference system is constant, which in itself contradicts relativity. The movement of any material entity is relative to a certain reference system, and light is no exception. Regardless of low or high speed, the principle is the same and must be relative.

However, due to the absolute "constant speed of light", the strange relativistic effects, such as the clock slowing down and the ruler shrinking, can only be relative to the principle of relativity. If you change the reference system, No, it's even the opposite. Therefore, two completely opposite conclusions will be drawn. These two conclusions are equivalent to the theory of relativity and both are equally valid. But one is black and the other is white. This violates the laws of logic? The law of non-contradiction means that any theory that violates logic cannot be proven to be true by practice. Therefore, the theory of relativity cannot have a convincing experimental verification? This is the answer to the title of this article: Why?

For example, it is said that the twins who move at high speed in the spacecraft become younger than those who stay on the ground. Later, when the spacecraft is used as the reference system, the contradiction arises. The spacecraft and the ground are the same reference system. Effective. The so-called "twin paradox" is a sophistry technique called "stealing preconditions" and stealing concepts. In order to cut the knot quickly, it is changed to two twins traveling in two spaceships, which are relatively high-speed and completely equivalent. , then, in the end, how can you possibly prove that A is younger than B and B is younger than A? This is against the law of non-contradiction in logic. In the end, the only possibility is that they are both equally young. Where is the slow clock effect? Where does the theory of relativity come from? Just like Joke 2 of the "Seven Jokes of Relativity": The principle of constant speed of light introduces the realm of gods, but the principle of relativity tells you that it is all deception.