More than having the same terms, look at the associations.
In Brave New World:
Alpha/Beta are the intellectuals, specifically Alpha. Grounds for / bias.
Gamma/Delta are the mechanical types, lower-class and industrial. Grounds for / bias.
Is the similarity not at all apparent?
no, just no
maybe a saint is just a dead prick with a good publicist maybe tommorow's statues are insecure without their foes go ask the frog what the scorpion knows