Compare that to car crashes or other normal daily accidents that result in death, doesn't seem so bad.
Saw the ray again last night, he got spooked and turned to defend himself when I was swimming towards him (didn't see him till late).... so I gave him right of way and swam around LOL.
I can see how someone could be stung in the chest though, if you are in shallow waters and spook one... well... could happen...
Definitely not a bull ray though, he is probably around 28" wide... (yes, I still use imperial)

If he is still around in the next few weeks I'll take a photo.