It's more to avoid false positives. I've had bug bounty hunters flag secrets in my projects before looking for a bounty, but in actuality it was some random str

It's more to avoid false positives. I've had bug bounty hunters flag secrets in my projects before looking for a bounty, but in actuality it was some random string in a variable named AWS_ACCESS_KEY etc that we used in a unit test (which mocked out the SDK but still expected the config values to exist at init)