The more PS to bind to the better....there is a "threshold" of PS exposure....one second it is a live cell...the next moment...after...for example one more PS node appears...it is eat me...a "normal eat me".... BAVITUXIMAB attaches to all those PS nodes and covers the " normal" eat me with...wait for it....wait for it...YES!!!! Bavi turns it into a SEND IN THE RE-ENFORCEMENTS signal....