No as it'll ruin the economy for one
Secondly you'd be able to dupe per say (by making a new profile to get all those spawners, you'd be able to easily do quests as you already have a very far profile and will be able to setup for said quests)
Thirdly this is cubecraft, not hypixel, they want it to be an original experience (Which it definitely is) and it's honestly better this way
Finally, it would then be encouraging griefers to take all items instead of just destroy, and make those who are gullible enough to invite them an easier target