Recent family experience with a 27-inch double GE convection oven would lend me to think that the article is not off-base at all.
My parent's house was built in 1987 and came new to us with a 27-inch GE in wall oven with microwave above it. My Mom bakes and roasts a lot, especially on weekends and when my sister and I were at home. At about the 10-11 year mark on the original GE, the bake element burned out, and I replaced it in a matter of minutes - easy enough. That element lasted about another 10-11 years and it burned out around 2008/2009, which I replaced again, but this sparked the mood to replace the unit.
My Mom had wanted double ovens since we had a wonderfully successful 1977 GE 27-inch unit in our house in Denver. That was not a top of the line unit, with the top oven self-cleaning but the lower one not. I think this was very common for the 1970s however.
We decided to make the cabinet modifications to fit the slightly taller GE units, and Mom bought herself the absolute best model GE offered. She has always bought upper MOL, and decided to treat herself. Again, her model is the top of the line --- last time I looked it was still on GE's website as current, maybe six months ago.
I never liked the hidden bake element idea due to heat build-up, and slowness of preheats, but I didn't say much during the shopping process. As all our GE oven appliances, the broil elements do come on in these units to speed preheating, and they are used at a low output level to maintain oven heat. Preheating though is a ridiculously slow process even with the broiler, especially for the non-convection lower oven. They look nice and uncluttered with no exposed elements, but I would not buy one of these for myself, ever. My freestanding GE range will pre-heat in less than half the time Mom's fastest smaller oven.
The unit has an internal fan to cool itself due to the enclosed elements. The whole surrounding cabinet gets warm, VERY warm during prolonged use or cleaning but it didn't with the original '87 GE. Sometimes those fans are on for 2+ hours after a period of long use. Close inspection on these when we got them yielded a "I won't be replacing these elements" statement from me, as it looks like the whole unit would have to come out to access the elements. If that is the case, its ridiculously stupid.
In addition, my mother, a very accomplished baker and chef, cannot find a zone in the top oven that doesn't either burn the bottoms of baked goods and even some meats, or burn the tops. Cookies baked in my 2003 GE Spectra with exposed element are much more evenly baked, and un-burned as compared to countless, countless experiments made by Mom to find the right zone or rack position and the right thermostat calibration to make the ovens acceptable.
Ever try a take and bake pizza in one of these? They suck. My oven nicely browns the lower crust of a fresh pizza. In order to do that in Mom's, it will dry-out or burn the tops before it browns the bottom, unless you move the pizza to the lowest rack setting. That get it away from the effects of the broil element, but is then too close to the bottom of the oven. We had none of these problems with any of the previous GEs.
We haven't had any self-cleaning problems yet, but I am so dissappointed for her, after more than 20 years of wanting a double oven, that I'd love to see a failure in this POS unit so I could buy her an MOL Whirlpool which at last check still had exposed elements.
They spent over $2600 on that oven set, and I'd say it is a barely passable success. I don't these ovens do anywhere near the job in heat management and distribution that the older GEs did, and I would not be at all surprised if this shortens the life of the elements. I sold the '87 GE oven set on Craigslist for $100 to a family who was really glad to get it. I'm not sure I'd be willing to sell this current oven without telling the prospective buyer that they are lousy units.[this post was last edited: 3/19/2013-14:23]