It’s sound advice, but what if it’s focused on the wrong side of the symbol? And if you just have to snag that SawxFan4lyfe username that you’ve had since high school, maybe create a secondary account for more professional purposes. Especially don’t mention your drug habits. Don’t reference your age, your religion or your politics.
You hear the same advice about email addresses echoed across job search websites, high school counselors’ offices and employment fair booths across the country.