My original Wii back I had back in 2007 started failing within a year give or take with only mild gaming, and flickering pixels started showing up all over the screen. I never recalled it getting super hot, just warm on the side. I forgot what I did with it, but eventually I got a new black one with the motion plus built into the controller, and I didn't think much of it moving forward, nor did I know anything about board revisions back then, and eventually gave that one to my brother when he asked for it. After that, I never saw it again :(.
I recently decided to purchase another one on eBay, over a decade later, and this one shows "30" in the CMOS battery compartment, so it was way later than the owner claimed he had it for, (probably just thrifted and flipped for profit). While it's practically a good thing that it's younger than expected, the seller may have lied about him being the original owner of this console, which would be bad since there would be no way to figure out the entire history of it and all, if it was indeed second hand. This one does seem to run cooler, but it was nearly two decades since I last had a Wii, especially my old white one, so I can't compare it to say for certain. And yes, I know not to use WiiConnect24/Standby anymore.
I'm just wondering, how likely are these to all fail in the same way? Especially since while mine is newer, it's still a 6-layer board with the older hotter 90nm GPU, despite having a shrunken 65nm CPU. I saw only one person online say they had a "30" board with the issue, but we don't know how many of these boards were made/sold, especially considering they kept making new revisions essentially every year. Does anyone have experience with lots of these boards of all different revisions, and which ones are more likely to have issues down the line, or if it's something I still need to be concerned about due to it still being a 6-layer board, and should I opt for a newer revision at some point?