why do people focus on wls complications?

I have been reading the memorials, and it seems to me that a lot of deaths are related to blood clots. Why would blood clots be any more prevalent in wls patients than in other types of surgery? do people focus on us because wls is elective, or is death from blood clots and other complications more common in wls patients? it seems to me that complications are just as common in other types of surgery, but i would appreciate any informed answers. i am not afraid, and i see hundreds of positive experiences compared to the few that have died, i just want to know why the focus is on wls. thanks! darci

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