Why should we believe it will continue to advance exponentially? And even if it does, we many find none of the hypotheticals pans out - perhaps we advance exponentially and there is nothing feasible to reach even 0.01c
Yeah it's always quite naïve to say technology will be always exponential. We only had like a few thousand years - if it's logarithmic we wouldn't know it for the next 10000 years.
Why should we believe it will continue to advance exponentially? And even if it does, we many find none of the hypotheticals pans out - perhaps we advance exponentially and there is nothing feasible to reach even 0.01c