As to how well we are taking care of ourselves, only time will tell.
Racists basically claim that races are different sub-species.
Once you've got the groups, its just a matter of time before a few of the more clever and devious ones will devise mechanisms allowing them to accumulate more of whatever will give them power. Merchants in Southern India had well established overland, coastal and overseas trade in agricultural and basic manufactures, involving urban areas, brokers, markets, guilds, gold coins, tax-free sanctuaries to facilitate the trade. But by 1670 the East India Company controlled it all. This was accomplished through the use of some devious tactics by just a few villain European merchants. These same tactics are used today by villain corporations.