In addition to just increased awareness if someone had a relative with prostate cancer, it’s becoming more common for such men to get tested for the BRCA gene variants. Most people associate these with breast cancer in women, but they also increase men’s risk of prostate cancer substantially, as much as 4X.

https://www.webmd.com/prostate-cancer/prostate-cancer-brca-gene

Insurance will usually cover the test if you have a family history, and then your provider will schedule more frequent screenings, e.g. PSA tests.