Yes, it is poor practice. From the perspective of performance optimization in .NET, boxing hits performance and reflection _really_ hits performance. Like others have pointed out, if you want code ...
There are many programming languages to learn. For SEO, the programming language you choose depends on what you plan to do with that language and how you plan to implement changes from that language.
Programming languages shape how software, apps, and websites are built, making them one of the most important skills in the modern digital world. With industries shifting toward automation, AI tools, ...