Granted, Lucifer’s semi-procedural nature makes it easier to extend seasons, which is why shows like NCIS and Law & Order: SVU are still churning out 20+ episodes a season while other higher-concept dramas opt for shorter seasons.
While Netflix used to be in the business of giving the majority of its original series 13-episode seasons, the financial and narrative ramifications (plus a lot of negative customer reactions) have seemingly convinced Netflix’s execs that less can feel like more in cases like this.