Yeah lol, people do that mistake alot when extrapolating, but when you have 5-6 decades of data I believe it is safe to make an extention to the next decade or two
Go ahead. Extrapolate a decade or two. In fact, go ahead and extrapolate to the theoretically limits of the perfect computer harnessing the entire energy of the sun. You still can't even count to 2^256, let alone do the calcuations to brute force a Bitcoin private key. Re-read the graphic in post #2.