A lot of mangaka and comics authors have or had assistants.
HergĂ© had 2; Akira Toriyama had 2; Yukito Kishiro have 1; Eiichiro Oda have 5; Iâm too lazy to continue the list, it could takes hours and hours to write it, but thatâs nothing unusual in world of comics.
For these assistants, role is to draw backgrounds, landscapes, buildings, vehicles, doing flat colors, lights & shadows⊠the stuff the author donât have the time or the ability to do himself.
But nobody tells anything because these assistants are invisible humans thatâs does the work for the artist 
So from my point of view, having a virtual assistant or a human that helps you to do a part of the boring job, whatâs the difference ? 
From whom will use the tool, the laziest will probably just get the result âas thisâ, the other will rework the result to get something more personal I suppose.
Also Iâm not an artist.
Clearly for what I read here about what a ârealâ artist should be, itâs an evidence Iâm probably more than an impostor because Iâm cheating a lot: currently to draw a line art artwork, I need stabilizers because Iâm shaky, I need a brush not so reactive to pressure because I canât manage a proper pressure along the line, I often use need spline assistants⊠I also need to use masks, multiples layers, undo erasers, to be able to draw something really clean⊠also I need model and I sometime over draw a 3D model⊠yeah, Iâll never reach the level of true artists.
Iâll probably never use the sketch to line art tool because Iâm a little bit m@sochist and Iâll continue to suffer to be able to draw a line, but I do it for myself, not because I consider that how an artist should work⊠And may be when Iâll be to shaky to continue then Iâll look at this tool as something that I can use.
Grum999