@julm suggested https://github.com/mtamc/generic-lens-modern-setup.

I'm in favor, especially that this would remove the ordering errors which Template Haskell introduces sometimes.

I preliminarily tried to hack on this, but I got stuck on makePrisms and how to deal with _Prism in the Generic way? I found _Ctor @"SomeConstructor" but it didn't compile for me.