I've never used iTrainz Chat for any reason. If I want to 'chat' I'll use Facebook
Any time I do have a query about something that I don't fully understand, I use the Forum and direct my question into the areas where I think I may get a suitable answer. Generally, and in the majority of cases, I finish up with a satisfied result.
I believe the main reason is because there are a huge number of sincere Trainzers on the Forum every single day, who are willing to offer their time and knowledge to assist. Isn't that what this hobby is all about !!
Because of this, we have seen better and finer quality routes available, as we all get better at what we are individually creating.
Cheers,
Roy