Because Russia has not explicitly declared war or hostilities, or taken any actual redlined actions, it's up to the US to define if they consider this an act of

Because Russia has not explicitly declared war or hostilities, or taken any actual redlined actions, it's up to the US to define if they consider this an act of war or not. It's an obvious provocation, and it's absolutely not in the US (or NATO's) interest to be drawn in in this manner and time. So instead you get this passive-aggressive shit talk.