The importance of vcredist lies in its ability to ensure application portability and compatibility across different Windows environments. It allows developers to create applications that can be distributed and run on various configurations of Windows without requiring the end-user to have a specific version of Visual C++ installed. This has been particularly beneficial for software vendors who distribute their applications across different channels and platforms.
: Modern PC games almost always require these to be installed to launch. Why Are There So Many Versions? vcredist
To escape Hell, they built Purgatory: