I would urge you to avoid using loaded words like "smart". It's not that they're "too smart for their own good," it's that their priorities aren't aligned with

I would urge you to avoid using loaded words like "smart". It's not that they're "too smart for their own good," it's that their priorities aren't aligned with the business's or customers' priorities. For the person who dislikes white space, they're optimizing for reading the code themselves, but there are likely to be many more people besides them who look at the code. They need to understand that the priority should be making it readable for others rather than themselves, for example.