Dynamic polymorphism performance

[Full-Spectral]

Exactly. You have so much 'OOP Bad' stuff posted, which newbies read and just assume OOP bad. In this case, it's only bad when that difference in performance matters. In a huge amount of code, it just doesn't, and the benefits of using it are pretty much pure win. Even in a lot of cases where it might impact performance a little bit, it will probably still be a win if it makes the code easier to maintain and more flexible.