TL;DR: Takes too long to maintain a tree and the dryads are not worth it
To maintain a tree to 100%, it takes a minimum of 4.5 hours at max plants skill and up to 8.2 hours with 0 plants skill (number taken from wiki), that is a lot of time that can be used to do other things. Maybe it's not a big problem for big colonies, but for small colonies, having just an extra colonist means that a lot more work can be done. And the benefits of the dryads aren't that great:
Carrier: quite useful, probably the only one that's worth it imo
Clawer: it dies really easily and would probably die before it can even get close to ranged enemies
Barkskin: with the existence of killboxes, sandbags and turrets to protect you, why would you need an animal to soak up bullets?
Woodmaker: it can be useful if you are living in ice sheet/sea ice or using tree connection but not really useful other than that
Medicinemaker: you can plant herbal medicine yourself and get way more than relying on dryad to produce for you
Berrymaker: same as above
Gaumaker: i already have problem with gauranlen trees to begin with, so i just don't like a dryad that makes more of them
A universal problem for all dryads: they take 8 days to spawn one dryad, which is too long, that is 32 days for each tree to spawn 4 dryads.
What do you think?
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