Sorry if I offended you (though to be fair I wasn't the one who said that DT is just a bunch of grieving dentists).
However, sample bias is a real thing and is especially prominent on the internet, so I will exhibit my caution when I'm being told about anything (particular of a negative matter) that is on a forum with a very specific focus. When obtaining info that is not 100% objective, it's just good practice to be aware of where the info is coming from. Humans love to complain on the internet because it provides them a medium to reach a lot of people very easily. But how often do you see people share positive stories? Not very often, because happiness does not elicit the same type of reaction as frustration and stress does. I am by no means suggesting every dentist on DT is grieving or a grouch, I am saying that is more likely for the unhappy dentists on DT to share their experiences than the happy ones.
As an example, if you go on to any specific forum about Apple online, you'll find a bunch of really smart people giving endless complaints about the products and the direction of the company. But in reality, Apple is a thriving company with the highest customer satisfaction of any consumer technology corp. Unfortunately, there is no way to get an objective measure of the field of dentistry as a whole and so we must obtain it from real world dentists.
For that reason, I definitely will take dental town seriously, but with the mindset that the sample size is small, and may not be a holistic representation of the field as a whole.