system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why are urinals not common in residential apartments and private houses?
gpt
They take up too much space and are impractical for a house. The reason they have them in public toilets is they're more efficient when lots of people need to use them. It's not like you'll have more than one person using the toilet at the same time in your house.