Not attributing the particular mass shooting, but attributing mass shootings as a phenomenon, yes.
Don’t try to play dumb about your choice to call it a “lifestyle”. No one calls stabbing attacks “the British Lifestyle”, or anti-Muslim legislation “the French Lifestyle”, despite those things being common to those places, and them being infamous for them.
Not attributing the particular mass shooting, but attributing mass shootings as a phenomenon, yes.
Don’t try to play dumb about your choice to call it a “lifestyle”. No one calls stabbing attacks “the British Lifestyle”, or anti-Muslim legislation “the French Lifestyle”, despite those things being common to those places, and them being infamous for them.
Lifestyle implies an affinity for something.