mitigate risk to the greatest reasonable extent.
Mining used to be a form of speculation that was slightly less risky than buying and holding BTCs outright. Now that GPUs are on their way out, and FPGA boards don't hold their value compared to how GPUs did, an investment in mining is becoming nearly as risky as the investment in BTC or a greater risk even.
So the terms "mitigate risk" and "bitcoin mining" are not to be used in the same thread.