I think the major argument against that is ethical. I wouldn't invest in something that has disastrous consequences on the environment, even if the expected returns are great.
Much of what passes for human industry is essentially just strip mining the planet of its natural resources. I’d recommend watching Sir David Attenborough’s A Life On Our Planet for a sobering view of the ecological footprint of non-Bitcoin human economic activity, which presumably you invest in one way or the other. Moving to a global deflationary economic system per Bitcoin would at least disincentivize the rampant consumerism destroying this planet via disincentivizing capital investment and spending.