This is true. However, the impact of mistakes can be largely mitigated with good source control, a rapid rollback capability and good monitoring (Loggly, New R

This is true. However, the impact of mistakes can be largely mitigated with good source control, a rapid rollback capability and good monitoring (Loggly, New Relic?). One I figured this out, I became more fearless with my coding. Of course, good unit tests will prevent bugs also. I consider them a must for any large, wholesale changes.