"While yes, it makes you look as if you know what you're doing, it also makes the code unreadable"
I couldn't agree more. Nobody should ever write code just to make themselves look good/clever.
There is no place for ego inside a company.
Never forget that you're not writing code (just) for yourself. You're (also) writing for others. And when writing code for others, you should make it as readable and as easy to understand as possible.
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