I do say so. So do many others. This isn't a bunch of children with no concept of money, value, and the real world mindlessly nattering about baseball cards. This is people involved in a hobby they enjoy which is expensive and also, sadly, carries with it a a degree of chicanery, humpery, misdescribing, hype, and carnival barking because of the money involved. It's part of the hobby thus it is worthy of discussion. If you want to collect things where money, humping, and chicanery is not involved (thus requires no discussion), then you'll only reach that hobby nirvana by collecting things with no value, such as dirt clods, cigarette butts, broken pieces of glass, beer pull tabs, etc.
I think your concept of everyone slinging money around and everyone being happy for everyone as long as they are happy is fine. However, rational and realistic discussion, particularly of the market, auction sales, pricing, etc., has its place too. That's what is happening here right now. If this discussion makes you grumpy and sad, and ruins the hobby for you, then don't read it. You don't have to.

It's all good bro.