Your CO2 tanks could do that too. They've still got almost 900psi in them, and have actually become detached from valves and killed people before. Either way, it's a tank full of highly compressed gas, the dangers are comparable.
There are a lot of sports that paintball is statistically safer than, some high lights include; bowling, bass fishing and billiards. Compared to traditional sports like football, baseball, soccer, etc. paintball is a walk in the park.
Could we spell it correctly...please?
Take a look, you might be surprised.