not true. its the difference between knowing how to handle your resources, not wasting energy on attacks, keeping probes up but still not wasting energy.
not everyone utilizes their energy to max efficiency.
Exactly, that coupled with being guarded by a good tank
Plus by the golden AoE heal on the floor, he wasn't the only healer.
Edit to add: An example of me doing high healing with low death rate (no I'm not showing off, I've seen far higher healing numbers on The Red Eclipse server.