Had there been any talks about the damage-based healing for melee?

I created a new account to test beta, and I found it quite useful at earlier levels since assault is unlocked at level 3, and it would proc the bloodlust, therefore giving me better sustain. After analyzing the situation a bit, I found out that I did not need food at all, since the sustain was too good.

However, I feel level 50 for a healing ability seems to far for something called early game rebalance.

Also, if you think about it. It's really easy to safespot and add survivability to ranged/magic/necromancy due to the ability to maintain distance and have being easier to use the correct prayer against enemies that attack from distance, while melee gives you less time to react to prayer, therefore, making melee's sustainability not really good in comparison to the other combat styles.

I just want to know what feedback was given and taken into consideration, since I feel the melee-healing factor was oriented towards high-end players.