https://wccftech.com/nvidia-ceo-geforce-demands-exceeds-expectations-rtx-3080-rtx-3090-shortages-to-last-until-2021/

During a Q/A session after GTC 2020, NVIDIA's CEO revealed that the GeForce RTX 30 (RTX 3080 & RTX 3090) shortages would last until 2021, as reported by Tomshardware. Jensen Huang also said that the issue is more to do with the demand than the supply but they are working to fix things on both fronts however the upcoming holiday season isn't going to make things any better.

Jensen repeatedly emphasized demand as the most major factor that has outstripped all of their supply through the year and we're fast approaching the holiday season which will hit the already dried up stock even harder. Following is the full transcript of what NVIDIA's CEO had to say on the supply issues: