Why go to the trouble of re-balancing the gameworld to make enemies harder but then have super powerful melee thralls which nullifies the challenge?

[TwoJay]

Ok - Farming Bosses I think is the only reason that speaks for the overpowered T4 thrall.
Otherwise, exactly this topic has already been dealt with in great detail in:

Thralls are OP - Thrall damage should not be tied to npc damage

It doesnt take any hit if you will be able to adjust the settings for Thralls/pets with their own seperate settings. Then you can adjust them how you like - from easy to barbaric. On our dedicated private server we actual play with harder npcs and monsters. They have more hp, take less damage and give more damage. We always were wondering about the overpowered Thralls/pets on our server - now we know - its becauseThralls damage is tied to NPC damage. This counteracts our settings towards the mo…

Here also the solution was pointed out, which would meet all playstyles, if the Devs implement it, which I really hope very much.

The suggestion for this solution was already pointed out on this topic from March 2019.

(bug) dedicated server settings - cannot adjust minion damage and damage taken seperate from monsters

Game mode: [ Online private ] Type of issue: [Bug] Server type: [ PvP ] Region: [Americas] Cannot adjust the damage of thralls and pets or the damage they take separately from the monsters in the server settings. I have done extensive testing and the toggle for NPC damage and damage taken applies to thralls. There used to be a setting called minion damage and minion damage taken, but they do not work. This makes it difficult to create a more hardcore server. When I adjust up the monster…

The Devs definitely know about this suggestion.
Really - The solution is obvious!
IMO they didn’t implemented it till now because they are working on AI Improvements and a Thrall Overhaul.