I agree that HMP, Riftcinders and Riftdross drop rates should be looked, but I find the comparison to Salvage very confusing. the mechanics involved in a successful run (Cell distributions as quickly as possible), meant that you generally entered with 6-9 people and alex sold for 3-4k each on my server (linen purses had a low drop rate as well). Salvage 2 increased the amount of Alex that could be farmed, but again wasn't an 18 man event, you could go in with three and you only needed three for a successful run.

I don't want to be picky, as I totally agree with you about voidwatch drop rates being updated, I just don't think it should be compared with salvage as they are very different events