Meh. That is just the Blizzard trademark; there are several other Overwatch trademarks that are military and security related that are probably a more likely overlap.
Definitely something to consider, but more in the "send a note to a trademark lawyer and marketing folks" than "rename our entire product and brand".
Definitely something to consider, but more in the "send a note to a trademark lawyer and marketing folks" than "rename our entire product and brand".