You shouldn't discriminate against who you rent out to.
Jeremy runs an AirBnB at the beach and has received a lot of requests from different types of people to stay there over the summer.
Jeremy wants to choose which stay requests to approve.
Jeremy goes through and approves the applicants with the highest ratings to stay at his place.
Jeremy decides to simplify his decision process by only choosing the white applicants, as he is white himself.
The people who stay at Jeremy's AirBnB over the summer are all very courteous during their stay and leave good reviews.
Minority applicants catch on that Jeremy doesn't seem to be approving any of them and report him to AirBnB.