In our 3 night stay at D&D my travel mate and I (and most of the people that we talked to at the time) got the feeling that it was an island of unfriendliness completely surrounded by some of the most endearing people that I've met in all of my travels in Latin America.
It seemed that everyone that you interacted there who worked for Robert was put off by our very presence. If it was just me and my mate then I could come to the conclusion that maybe.... just maybe WE were the problem and not the staff. But it was not just me and my English friend, but probably at least 4 other people that we talked to there as well.
I ALWAYS try to dole out kindness when I recieve the kind of treatment that we did. I speak spanish fairly fluently and would always speak with the staff in Spanish (their language) as well as try to stay out of their way in an easy sort of way.
To be fair (although this isn't reason enough), I think Rosa had a run in with a Gringo who got impatient when she couldn't understand his )English (he couldn't speak anything else).
But we all got the feeling their that the staff didn't like working their.
Funny thing is that while it wasn't what we were expecting (we though it would be right on the lake and all), the place itself and ALL of the people that we encountered in the surrounding area (even all in Pena Blanca) were super nice.
By the way, my hats off the (i forget his name now... but everyone knows him) the eccentric long haired and bearded English guy who came around in the evenings and hawked his bird watching and trekking tours. He seemed very knowledgeable about for the birders out there. He was endearing.
Finally, I must say that I didn't really get a chance to meet Robert Dale (brewer / owner) for more than 5 minutes and while he was busy doing something else though in our little contact he didn't seem to bad a guy.
Right next store was a brand new place that they had just built. Very posh like for the area, but the caretaker people that ran the place invited my mate and I in for a look around (knowing full well that we had no interest in staying there). They were absolutely some of the warmest people that we ran into during my trip. They had a pride about the place (as they had an entitlement to as the husband of the two built many of the cabanas himself). They talked to us freely. They were interested and interesting people.

