The difference is in the expected response when you use the "wrong" term. If I started talking about a blacklist someone could ask "Maybe we could use the term

The difference is in the expected response when you use the "wrong" term. If I started talking about a blacklist someone could ask "Maybe we could use the term 'blocklist' in the documentation because its clearer to someone not as familiar with the technical terms?". They could also respond with "Why are you using such a loaded and out of date term? It is suspicious and sets a dangerous precedent, and doesn't belong in a place of work. You are getting a verbal warning."