Viewing victims of deeply rooted drug wars or religious wars as an exclusively 'richly human' group borders on the sophomoric Alceste.  Many are sociopathic machines actively inviting the trouble that gets them.  
The folks crossing the Thames last week may not have been perfect, but it would take a warped mind to associate any of their fates with their actions.
Most discriminate when deciding how much empathy to offer in a given situation.