Absolutely correct.
Discussed here (one of many other times I would wager): Reward titan was unfair - #18 by Homaclese
I will always try to get as high a tier as I can, because I know that my chances of good loot improve as my tier improves. Sadly I am in an alliance with merciless titan slayers so typiclally there are only 3-4 chances to get even the B loot…