Used to suggest someone is ignoring real-life situations or practical considerations. Leaders should not develop policies in a vacuum, ignoring public opinion.
Pro Tip 2/3
Metaphorical Use
Often used metaphorically to express isolation from external factors or isolation. Trying to learn a language in a vacuum without speaking to native speakers is ineffective.
Pro Tip 3/3
Emphasizing Consequences
Highlights the importance of consequences when making a decision or judgment. Selecting a course in a vacuum could lead to regret if job prospects aren't considered.