Yeah maybe, but I do suspect some people will give up by level 10 or 20 and then we will still have a populated server, while others might be under populated.
The Str component is scaling, the bubble component is not.
Easy fix for them to apply same scaling rules as every other enchant like this.
EDIT: HOTFIXED.
From Patch Notes
"
Players with a Heart of Azeroth below level 35 will have it raised to level 35 upon unlocking the Heart Forge.
Level 120 players who have established their new hub in Nazjatar will be invited to join Magni at the Chamber of Heart in Silithus to start the new quest line to...
Yeah it took 5 runs for my DH to get it, just luck of the draw sometimes.
I also 2nd the motion to try Havoc with eye beam legiondary, its a beast what that build with right gear can do.