Why are so many words not traditional?

Many simplified characters are simplified from traditional Chinese characters.

Advantages of simplified Chinese characters:

First, the number of strokes of Chinese characters is reduced. The original average stroke of traditional Chinese characters is 16, and that of simplified Chinese characters is 10.3.

Secondly, the number of commonly used Chinese characters is reduced;

Third, it reduces the difficulty of memory.

If it is a traditional Chinese character, it will be more difficult for children to learn Chinese characters. One of the teaching methods of learning the software "Mao Xiaoshuai learns Chinese characters" is to pictograph it so that children can understand it better.