1) Be wary when singular figures say they have the one and only answer in a domain where it is clear there are many answers.
See Bikram and Bikram Yoga. That didn't work out well either.
Well programmed strength and conditioning is well programmed strength and conditioning. Some "CrossFit" gyms are great. Others reckless. Just like any other area of fitness.
Move Your Body Often.
Sometimes Hard.
Every Bit Counts.
Trying to monetize that is inherently problematic.
Also: Show your community (not just words, but actions too) that you are anti-racist.