zynthian has a nice website. it seems like a cool idea and I'm sure it has some great use cases. it's still a kit which strikes me as not pro-level.
more concerning is that it appears to have what I would call completely unusable issues regarding latency and jitter (5-20ms of latency is unusable for realtime audio), can you comment on this? how about jitter? what is your experience with it (and if you have any, what are your use cases?)
searching the internet for solutions here seems to show a lot of unresolved issues. I see the developers asking users to file GitHub issues as recently as a couple of months ago. I know very few audio professionals who are going to want to use something with this degree of maintenance / instability / unreliability.
how would you describe the ease with which you can interface the tools you describe with outboard gear using USB or MIDI e.g. audio interfaces, mixers, synthesizers, etc, compared to the apple ecosystem? which tends to be quite plug & play. one reason why it is so widely used.