There are "Cheats" available for this game, using "Edizon" homebrew. Ex: (Inf Nitro, Inf Health, 1.999.999 Bounty,1.999.999 SCPD Ranks). Could help unlock all.
Google Switch Cheats...or of-course search
here
https://github.com/ibnux/switch-cheat
Thank you ibnux