A QB on a rookie contract does allow a team to be more aggressive in free agency which did allow the Bengals to sign guys line Reader, Hendrickson, Awuzie, and a few badly needed O-linemen, but that QB has to be good enough to make it matter.

Source: https://profootballtalk.nbcsports.com/2023/01/25/brandon-beane-bengals-have-advantage-of-joe-burrow-and-jamarr-chase-on-rookie-contracts/

Some of the pass-catchers and O-linemen are different.

Source: https://nesn.com/2023/09/patriots-writing-familiar-mac-jones-era-script-can-they-flip-it/

The Pats should prevent him from getting that far with an over-the-top offer that keeps their best, and one of their most versatile young players - forget just O-linemen - for years to come.

Source: https://www.bostonherald.com/2023/12/22/callahan-handing-out-7-holiday-gifts-to-the-patriots/