The quick answer is sometimes yes, sometimes no. If it's a particularly sensitive spot or moment, they might. Most of the time the time pressure precludes getting any information out to us. Some of the time the company's getting a premium and just won't tell you so you don't have a chance to realize this might be a bad idea.
I've never been to South America with KA, so I couldn't tell what information was sent to this crew.
FD