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Not at all, devuan is not considered trustworthy by the majority (to put it mildly).

I don't follow Devuan development so I'm not sure but AFAIK no senior developer went to Devuan.

There has been loss of senior development resources because of the systemd and related discussions, though (some quit, some lost motivation etc.)

Russ Allbery left https://lwn.net/Articles/620879/

edit: I don't know if he is going Devuan, but is related.

He just left the tech committee, the last paragraph sounds like he'll still be working on debian.

It was very sad to see Russ Allbery leave the Debian Technical Committee; his deeply insightful and remarkably well written discussions will be missed.