I believe the post below summarizes very well why craftable Garden weapons would be a great addition to the game. (Not my post btw)
https://www.reddit.com/r/DestinyTheGame/s/8JM7vSCPzt
-
As much as I despise Garden because the AI programming on Vex is weird, I have to fully agree with this. Along with this should be Vog (come now, who the heck wants to do Master Vog just to get 2 perk columns and adept mods?)