The truth lies in the middle. While XML modding won't teach you memory injection, it will teach you relational data thinking, version control, and debugging—skills directly transferable to software engineering. Minecraft is a fascinating case. While Java handles the engine, the game moved many data-driven systems to JSON (a lightweight alternative to XML). Recipes, loot tables, advancements, and tags are all JSON/XML-like structures. The entire "Data Pack" system is essentially Mod XML Gaming rebranded.
"Real modding requires reverse engineering, assembly code, and 3D modeling. Changing 'damage=10' to 'damage=20' is just cheating." mod xmal gaming
So the next time you download a mod that adds 47 new types of medieval helmets or makes your spaceship engines 200% more efficient, remember: somewhere behind that mod is a simple, elegant XML file—a few kilobytes of text that reshaped reality. The truth lies in the middle