Actually if you remember previous planned changes you'd know that Blizzard was concerned about threat before and did have a solution to the problem in mind. Rather than increasing the amount of threat, they were going to introduce threat decay. This change however never came to pass and threat was left in its original form. Blizzard has taken a completely different approach now in that they don't want threat to matter (as much) anymore.
"In anything, if you want to go from just a beginner to a pro, you need a montage." /w TankSpot WTB Montage for Raiders.