I thought it was pretty boring. Average at best.
For some reason, I never got into it. I got the idea the show received all those positive reviews because it was something new, something pretty original. Which it was. But that doesn't necessarily make it good.
Then again, maybe it's just me.
Watched the first 3 seasons of
L' Amice Geniale myself over the past few weeks. It's not perfect and there are definitely a few weaker episodes (especially in the 2nd & 3rd season), but still: