I know, not an amazing alternative imo as they're also saying it takes a long time. I just wish I didn't need to be all in into Guix to easily play around with such projects, which aside from that, look really cool.
Did you catch that page there aside from the manual, where they describe how to install it on Ubuntu? https://artanis.dev/blog/build-0.6-ubuntu.html it seems quite detailed, maybe it wouldn't be so bad to get through.