The word may is such a powerful tool for writing headlines, not to mention making consequence-free predictions. You're not saying something will or won't happen, and the universe is a strange place — hey, you never know!
Another powerful technology is the phrase up to when describing levels of service ("kills up to 99.9% of germs", "speeds of up to 200 Mbps"). Just means you are guaranteed not to get 201 megabits, or kill all the germs.