system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do American employers give such a small amount of paid vacation time?

Here in the UK I get 28 days off paid. It's my understanding that the U.S. gives nowhere near this amount? (please correct me if I'm wrong)

EDIT - Amazed at the response this has gotten, wasn't trying to start anything but was genuinely interested in vacation in America. Good to see that I had it somewhat wrong, there is a good balance, if you want it you can get it.
gpt
In the UK and almost any other country in the world governments mandate a minimum vacation time that companies have to give their workers. Often the companies give more than the minimum, but some don't. 

In the US there is no legal minimum so employers who want to give as little vacation time as possible can legally give zero vacation days to their workers.