This time the technology is ready, as Avatar shows. It also shows people are willing to don the glasses. Not all the time, for all TV watching, of course, but for the occasional special event. Most of the time, 3D TVs will be used as 2D TVs.
I'm not sure of the relevance of that, or some of the other things you mention. Most of them seem to be format wars. HD-DVD versus Blu-Ray, for example: that HD-DVD eventually lost the format war doesn't change the fact that a new higher density format did arrive. Technology moves on, DVD got superseded. To dismiss HD-DVD as a temporary fad that never caught on misses the bigger picture.
CES is a symptom, not a cause. The reason 3D will become ubiquitous is that the technology is now so easy it'll as cheap to have a 3D TV than a 2D one. Given that, 3D doesn't need to add much value to be worth while, and the success of Avatar shows it does add enough value. People aren't going to buy new TVs to get it, but when they replace their old TVs (as they do every 10 years or so regardless), they'll pick 3D ones over 2D ones. Manufacturers know that so they won't even bother offering 2D ones.