I wouldn’t say it’s too ideological for someone who wants to get stuff done. To get stuff done with Guix, you just go do it and it won’t get in your way - the project channel and the nonguix channel won’t interfere with each other, they’re just different channels.

Directions for using Guix in practice (i.e. with some non-free software) could definitely be easier to find, especially if you start green and don’t know what you’re meant to be looking for. But the system won’t get in your way.