There may be many reasons for Alibaba Crowdsourcing to have a splash screen.

First, the splash screen may be to attract the user's attention and improve the user experience.

Second, the splash screen may be to showcase the brand image or promotional activities to increase brand exposure. In addition, the splash screen can also be used to load necessary data or resources to ensure the normal operation of the application. However, the splash screen may also cause inconvenience to the user, especially when the loading time is too long or the splash screen appears frequently. Therefore, balancing the user experience and brand needs is an important factor to consider when designing a splash screen.