If it's alive and well in 2022 and catering successfully to the needs of its users then a 10,000 prediction is pretty silly. It'll be far higher than that. What people can't wrap their heads around is that the huge rises might be considerably easier as more get on board. There won't be any more coins than usual but many millions more people who want one.
Five years from now will be giving a bigger price increase, because in between we've the halving which generates a price pumping. Other than that, each year the price will be increasing to certain amount, if calculated considering the current year's growth surely we'll be going much higher. This helps us reach bigger than $10000 as stated.