I suppose this doctor will prescribe you to not use all new medical tools available in case they might find something.
I don't understand the logic. Having mass adoption tools to check your health is the future. This will never be 100% accurate, but like medicine and doctors will never be.
Yes, doctors and health organizations routinely advise patients not to get more tests than they need. A PSA test is cheap and easy to administer but the consensus is that risk of false positives (among other reasons) outweighs the benefits of finding prostate cancer among young men at low risk.