C++ is a powerful and versatile programming language that has been around since the 1980s, and is commonly used for a variety of applications, ranging from software development to game development. However, there are some areas where C++ is not the best choice due to its complexity, difficulty to debug, lack of performance in certain areas, and lack of built-in security features.
One of the main reasons C++ is not used as often as other programming languages is its complexity. It requires a deep understanding of the language and its features in order to be used effectively. Additionally, C++ programs tend to be quite large, making it difficult to find the exact source of the error. Furthermore, C++ does not have built-in security features, such as encryption, that other languages may offer, leaving programs written in C++ vulnerable to malicious attacks.
Despite its drawbacks, C++ is still a powerful language that is used in many applications. For those areas where C++ is not the most suitable choice, there are several alternatives available. Languages such as Java, Python, Ruby, C#, and Go are all popular choices for web and software development, and game development.