It is quite likely that all human beings came out of Africa. All of them. Go back far enough. Where does that leave us today vis a vis white and black and everything in-between? Why?
Whatever members of "the enemy" say or do vilify it, attack it, demean it. HOWEVER when your team does/says the exact same thing support/defend/applaud/cheer When called on i... moreWhatever members of "the enemy" say or do vilify it, attack it, demean it. HOWEVER when your team does/says the exact same thing support/defend/applaud/cheer When called on it deny it. SIGH. The template which is used by ALL POLS and their supporters 24/7 for everything. :(
On prescriptions there are "discard by" dates as well. I expect they wouldn't be toxic if you took them after that date but they are probably less effective with time.