Uh, no, it makes you look careless and unprofessional.
How it's perceived is no doubt in the eye of the beholder. I can totally see how some people would associate this writing style with children, and so associate it with "vulnerable".
alt Hacker News
How it's perceived is no doubt in the eye of the beholder. I can totally see how some people would associate this writing style with children, and so associate it with "vulnerable".