IMHO it makes no sense to admit you don't know what "the credit" means and continue to participate in this discussion. You don't seem to understand the culture and motivation of professors and postdocs doing research level mathematics.
This technology lets you do research a lot more efficiently. It's all there. If you're interested is solving interesting problems there has never been a better time. If you're interested in being the first to solve outstanding problems from decades ago, maybe not as good, but then again let's be honest, chances are you weren't going to solve them anyway.