It might/probably have been tuned for full ilvl90 gear, which would still take a while for people to get. Might also just be untuned because they didn't expect people to get there so fast, which is quite possible.
On the above post, you can farm plenty of stuff that sells with a 50 botanist. HQ cocoons and HQ spruce still sells for a good price and only take a few minutes to get, clusters/crystals/shards sell for a solid price regardless. Not sure what's wrong with farming grey con mobs either, or you could farm hippogryphs they're like 46, that'd be ok right, they're not grey. Other than those, aldgoat, gigantoads, boars, peiste, snurbles, diremites, karakuls all drop items that are worth between 200 and 400g depending on your server and the fluctuations.
You can even make money running wanderer or AK, assuming you do it with a premade and open all the chests. Or Castrum. 125philos is 30k worth of money. Wanderer relic drops are still going for 5-10k each so you can split that. Chests are filled with those stupid coins that pay for repairs and more.
I mean come on, if you're not making any money, it's because you're not spending any time trying to make any money, not because it's hard or anything. With the current repair costs it's even easier. It's not that time consuming either. Farm for an hour will pay repairs for a week.