Your complaints have been heard, and there are a lot of efforts to address them :)
There's currently an effort to make the command line utilities easier to use[0]. There's also an effort to bring PackageKit to NixOS, which should make a few GUI package managers work[1].
There's currently an effort to make the command line utilities easier to use[0]. There's also an effort to bring PackageKit to NixOS, which should make a few GUI package managers work[1].
[0]: https://github.com/NixOS/nix/issues/779 [1]: https://github.com/NixOS/nix/issues/233