This is one of these times where I'm confused about my own thinking, and am seeking advice "what should I think?". I think "allowlist" and "blocklist" are actually clearer, but I also struggle to accept that white/black, or light/dark cannot be used as general symbols for good/bad.
Edit: this reddit question and a lengthy answer talks about the "origins" -- they are not racial, and consistently meant allow/block: https://www.reddit.com/r/AskHistorians/comments/866ynp/what_...