I don't really understand what it is they're trying to do half the time.

It seems like they all want to mine in the same direction, like they're attracted to some sort of object I'm not aware of. So I really wanted to figure out what it was they were looking for, and part of me noticed that a good bit of the time they were trying to mine toward my brain, much like the Computer Player does.

Is that the case?

I'd like to assign them a direction if they don't know how to track where gold deposits are, make them go either right or left, or down and make use of their jet packs so they don't get stuck on an incline.

I read, I think in the Devlog, that the game supported LUA Scripting, so could I use that to train my miners how to digg? And where would be the best place to start? Or has all this been done already in a Mod that I'm not aware of?

What i do is equip them with a digger and use the go to mode to mark out a path going to the major gold deposits. The dirt and gold blocks their way so they dig through it.

Although i do think the gold dig ai mode could do with some improvement unless i'm doing it wrong.

Eviltebor, That is a good idea. I will do that.

The GoldDig AI mode is broken at the moment. It has been ever since Build 19 (?).

I do what Eviltor does.

But you gotta make sure to mark the path continuously, like have a billion points about an inch or so apart or else they'll probably go around your dirt.

I set my actors to gold dig mode, and they seem to procrastinate.
It also seems like they are listening to "I can touch dig the sky".

I actually wasn't reporting this as a bug, I was just looking for a solution, and Eviltebor's works surprisingly well.

Now I only wish I could command my units to bombard an area with weapon fire....

i seem to remember gold dig working B20. though that might just be my imagination.
how come it broke, out of interest?

for the record, i also just use go-to mode.