Paratici never seemed like a 'systems' DOF. Not even at Juve - when he was second-in-command to Beppe Marotta, he scouted players for Marotta, more or less, and Moratta's philosophy was to be flexible with the tactical systems used by Juve managers (see the differences in Conte and Allegri, for instance), but inflexible with the mental and technical qualities needed to play for Juve.
Once Marotta left after he was undermined by Paratici going over his head to Agnelli on the Ronaldo deal (Paratici wanted him, Marotta didn't), Paratici took charge and seemed more focused on signing big names on frees over building a team philosophy - in Paratici's time in charge, they bounced from Allegri to Maurizio Sarri to Pirlo, with wildly differing philosophies each time.
From his days at Sampdoria onwards, Paratici has often been described as having a magnificent eye for talent, and it shows. But he's never been a 'system' DOF - he buys players to suit the club or the manager. Sort of like Comolli and Baldini used to be for us.
The only time we really had a scouting system and manager aligned in their visions was in the early Poch years, when Michael Edwards and Paul Mitchell's black box were optimized for young, high-pressing players and those were exactly the type Poch found success with.
