Douyin and Kuaishou are two very popular short video platforms with diverse users, including a variety of different types of people. We cannot generally say that these users are fools. Moreover, people have different needs and tastes for entertainment. The following are some reasons that may cause some users on these platforms to behave like fools:

1. Convenience of the platform: Douyin and Kuaishou provide simple and easy-to-use recording and uploading functions, allowing anyone to Short videos can be created and shared quickly and easily. This also includes some people who are new to new media. They may not be familiar enough with video creation and expression, so they may behave immaturely or naively.

2. Pursuing popularity and attention: Some users on the platform pursue exposure and the number of fans, and use various methods to attract attention. They may try out weird or surprising behaviors in an attempt to gain more attention by getting others interested and sharing. This type of behavior may be seen as silly, but in reality they are just looking for attention and traffic on the network.

3. Audience needs: Douyin and Kuaishou have a wide range of user groups, and people with various interests and needs will look for content they are interested in on the platform. Some users may prefer to watch funny or humorous videos, so they are more likely to engage in or create content that seems silly.

In general, judging whether a user is a fool is subjective. Everyone has different definitions and needs for entertainment and creation. User behavior on Douyin and Kuaishou platforms is diverse, and we should respect everyone's personal choices and creative ways instead of judging them in general.