[omnimus]

There is only Adobe InDesign. Even though you can make high quality layouts in other programs (Affinity, Scribus) once you get to actually printing in pro printer the whole pipeline is InDesign. It's Adobes secret money printer, software that many don't realize it rivals Photoshop in usage.

[lfauve]

No, the pro pipeline is PDF. You might argue that, if you are risk averse, you only trust Adobe’s tools to produce optimal PDF. This is of course Adobe’s moat. But Scribus’ export to pdf is excellent, in a pro setting

[omnimus]

Thats not what I am talking about. Your PDF might be identical but printers often require either their specific InDesign settings or straight up packaged InDesign project as source for printing (they used to require postscript lol).

I am not gonna argue if they are correct or not but the reality i've experienced is that at minimum socially the printing industry is married to InDesign.