The equality aspect is that everyone is playing by the same rules. When someone needs different rules this encourages the creation of new sport categories.
I also support equality of opportunity. Nobody should be held down and/or prevented from achieving their potential.
The only problem is when "equal opportunity" interpreted as creating an equal starting point for everyone - which is impossible. There is nothing wrong with helping and aiding others to have a better starting point.
Yet the variability in passion, creativity, experience, determination, skill, focus, stamina and ability are so great that equalizing the starting point may inspire some people to cut down the high achievers to achieve some kind of equality utopia.
Example of when equal opportunity becomes harmful:
