You don't understand the implications that it would cause for Plunder/Team Objective matches.
I'm sorry, no. This is a bad idea. Either increase the levels (non-legacy) or do nothing at all.
• [SUPPORT] Co-Op Treasure Changes [54 Kudos][21 Possible Changes] •
• Crushing+ • No Incentive to playing Co-Op Arena (my ideas to fix that) •
• A Co-Op Dream Map • Deadly Drive - Chapter 2.5 - Co-Op Adventure •
• Pinkerton's Mansion - Co-Op Arena Map • *-=JD--'s Ultimate Co-Op Guide=-* •
• Co-Op Mods for other Weapons • Co-Op Kickback Fixes - My ideas •
• "A Forced Collaboration" - Drake, Eddy, and Flynn •
Best. Idea. Ever. Kudos for this guy.
LOL... you must enjoy killfarming in Plunder to level up boosters.