So, if we can reduce the likelihood, we can reduce the overall risk. That’s good. It’s actually very similar to a very common idea called “Defense in Depth”. It’s also referred as “Swiss Cheese Model”
Security by obscurity is not enough by itself. You should always enforce the best practices. However, if you can reduce the risk with zero cost, you should do that. Obscurity is a good layer of security.
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I agree! Anything that makes it harder for someone to misuse your system is a good thing imo 
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