I find that thin striped shirts stand out more than evenly spaced stripes. Evenly striped shirts are useful if you don't want your shirt to stand out too much. If I want the shirt to stand out more, I prefer a checked pattern. I find the presence of the thin striped shirts in between the checked shirt and evenly spaces stripe shirt and thus less useful. Ie depending on the purpose I often go for either the checked shirt or the evenly spaced stripe rather than the thin stripe.