While users can restrict Google API keys (by API service and application), the vulnerability lies in the Insecure Default posture (CWE-1188) and Incorrect Privilege Assignment (CWE-269):
“不要搞急功近利的政绩工程，多做一些功在当代、利在长远、惠及子孙的事情”；
，这一点在同城约会中也有详细论述
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Source: Computational Materials Science, Volume 267