DRM authors and implementors know it doesnt work. The decision is made by people in suits based on traditional business culture that doesnt fit the digital world. The same people making denuvo are also the ones breaking it.
Really? I thought Denuvo (this one) and maybe others were famous for being genuinely effective. Unless I'm muddling them up (I have memory from reading articles a few years ago) this was a library that outright prevented piracy as well as cheats for significant periods of time for a wide variety of games.