It really doesn't explain no thirst, either. Only dwarves are alcohol dependent, water is fine for everyone else.
I contest this, it has been shown that historical violence attaches itself (its why vampires & goblins when observed via modding/otherwise complain of lack of alcohol) as a side effect to trauma and later psychological effects.
There is SOME application of goblins drinking for pleasure in formalised drinking establishments (its the only way to get it down them), but as of yet no formalised eating establishments (as per banquet halls scaling all the way to +finely crafted potato chip+ tavern speciality meals.) for pushing those roasts down their neck if they are going to be snotty about it. (else they are just feeding it to their mounts or the trolls i suppose.)
Could imagine that goblins besides being underlings themselves, probably view such tasks as beneath them and would much rather dote on stolen children/slaves/POW to do the job instead to disillusion themselves on power and re-enforce the image of violence. Take also as i've mentioned before, nearly all the materials the goblins source must come from somewhere, so obviously there is some kind of domestic workforce behind the goblin regime, even if they are relatively light workers (troll heavy hauling etc)
Goblins have lots of holes in their raws anyway that have to be covered by modding to make them feasable (which in itself is quite fun when brought up to primitive iron age dwarf spec, with a few new spins on the conventional angles such as managing lawlessness and frequent violence when turtling, inversely encouraging a head on aggressive approach) such as no brewable or vaguely usable harvestables (not even for very devious goblinesque poisons) besides from silver barb plants of their own biome for gutter cruor & black dye (which might be bugged since they never embark with the products of those goods - however it may be the case i never enabled the raws)
Even glumprong (also might be bug, though it is a common cart & evil biome material, i dont recollect when civ swapping seeing it on embark) is neglected by goblins but that may well be down to circumstances of location and raw relations. Officially beak dogs are common scout worldgen animals, which arent to say they arent lucrative when pimped up with good raws to enable them as pets as chickens on steroids that drop stones on death which is honestly the best.
I can only guess that goblins are fueled much more innately by demonic magic than other races that merely wrap it around themselves otherwise they'd be trash level jabberer feed. Non conventional techniques for coercion including torture may reinforce this. Maybe it'll show its true colours sometime in the future.
Question for toady.
Given the upcoming eventual magic arc, do goblins themselves (as either underlings, selfmade masters through overtaking demonic masters or individuals) have access to any particular 'school', alternatively 'branch' of exclusive magic? or do they remain a largely mundane or magically generic race when the big supernatural being leading them suddenly ceases to exist in the mortal world?To be honest, with any host of filth, night, fire, or death sphere demons frontrunning those armies its going to be pretty intense on the magic effects that are open to use and potentially learn from. Taking tutorship from demons in the schools of magic upon binding them to yourself sounds like a nice bonus to a already very strong but unpredictable companion. At the expense of probably being branded a outcast and a heretical/unholy and un-natural warlock that is.