I tried it like a year ago maybe and it was a very interesting concept, but I couldn't find what it really brings to the table over Guix or Nix. I've used Guix quite a lot since then and found that the separation of packages was afaict very similar, with the added bonus of having a completely reproducible system. Maybe Gobo brings something that Guix/Nix does not, but in my time of testing it I couldn't find anything.