MPI Mallard; I am not surprised, but disapointed, with your experience.
I am not surprised that you have heard the comments you noted, since I have observed over the years that many, if not most, people make and take comments based on their second or third hand hearsay. Over the past 5o years we have owned and used four different makes of RV and have been very happy with each. And, I have heard numerous times people say that the ones we have are "junk, poorly made, not reliable, poor service, etc". all without any experience themselves. Usually after I hear such comments, when I mention that I have and like the one they have just dissed, they are embarassed and admit that they never had one, or most of the times, never even examined one. Other member of our extended family, who own other makes and models than ours, and members of our local RV Club, will tell you the same as I am telling you here.
In most situations, I suspect that you will find that you get about what you pay for, with RV's or anything else. this is something you must judge for yourself. If you select wisely, within your budget, and work with a good relationship with your dealer, (as we do with Ranch equipment, RV's, Motor Vehicles, Etc.,) you should not have much problems.
As for the Front Livingroom. We do own and are very happy with the Montana Model 3750, the one with the front livingroom. It is the best one we have ever owned. We bought it while trading in our previous brand RV for the reason that we took a year to examine dozens of other makes and models and deciding which one suited our needs that have evolved over time.