Challenge log bonus xp not scaling above 50

[Gunspec]

I've seen this mentioned in a few threads, but there has yet to be one dedicated to the issue, to my knowledge.

Basically, the bonus xp for completing tasks in the weekly challenge log scales with character level from 1-50, but does not scale for any class 50-60.

For example, Feeling Lucky (Complete 3 dungeons via Duty Roulette) awards about 15% of a character level up to level 50. At level 59, the same challenge rewards only 2% of a character level.

I might understand that SE is trying to slow player leveling initially in Heavensward, but the combined bonus XP the challenge log provided was only approximately one level per week. That's hardly overpowered when we are talking about 12 combat classes and 120 levels of 3.0 content between them.

Since the devs haven't said anything to my knowledge, I'm wondering if this is intentional or perhaps a programming oversight.

Edit: Just did the math and its about 616,000 xp per week from the challenge log. Compare that to about 350,000 xp per day from daily hunts. Either they are just abandoning the challenge log in future content, or they haven't addressed it yet.