It's mostly right. "Early pioneers" is wrong, since the idea of neural networks predates backpropagation, but by the turn of the millenium they really were reg

It's mostly right. "Early pioneers" is wrong, since the idea of neural networks predates backpropagation, but by the turn of the millenium they really were regarded as old fashioned, and attention had moved to things like support vector machines and Adaboost.