The real problem is not honeybees themselves, but other wild bee species that are put under pressure by commercially bred bees. The article acknowledges this: "Our engineered supplement could therefore benefit wild bee species by reducing competition for limited pollen supplies." If this is not made the exclusive diet of commercially bred honeybees, and they are still allowed to roam freely with their increased (15-fold) mass, it can only make the situation worse.
https://naturalist.bearblog.dev/the-bee-that-everyone-wants-...