This exact comment has already been posted. Try to be more original...
In Xanadu did Kubla Khan
A stately pleasure-dome decree
Where Alph, the sacred river, ran
Through caverns measureless to man
Down to a sunless sea.
Being overweight does not increase the number of cells in your body: the existing fat cells just swell.
[Do] you think tuna fishermen are going to stop using nets because they might catch something which has rights?
No, but I predict a not insignificant percentage would be deterred.