Not spam, that's the google shopping link.
Less spammy link: https://www.amazon.com/RioRand-Virtual-Private-Theater-Glasses/dp/B00DRF0EBU
Noo...
Blizzard definitely say that scatter should be used for aiming at feet to one shot kill. It's an ingame tooltip and on the official bio for him
https://playoverwatch.com/en-us/heroes/hanzo/
Check scatter on that page.