More like they're either too young, too dumb, or simply uneducated about what actually happened in these stories.
Most of what I know about that fight comes from the animated movie and Angry Joe's "Top 10 Reasons Why Superman Beats Batman" video... although I'll admit that, even before then, I was still rather skeptical(especially concerning the
"outcome").
Not only that, but he's also found numerous ways to improve said gadgets and make them more efficient and effective. Plus, the greater abundance of alien-tech gadgets and weaponry in Supes' Fortress of Solitude out-class Batman's in both tech-level and power.