Serious question, because I'm not very strong with legacy shells. Given that I can do all of this easily in powershell, why is the GNU toolset so weak that thi

Serious question, because I'm not very strong with legacy shells. Given that I can do all of this easily in powershell, why is the GNU toolset so weak that this utility has any remaining problem to solve? Did no-one notice in 30 years that bash can't traverse a folder structure?