its not something i would ever use. i do think a lot are probably given as shower gifts and such. it is great for some mamas i'm sure, too b/c it looks more secure than a blanket or something as well as lighter weight. and like most folks have already said if it convinces a shy mama to nip well then
i actually can see 1 instance in which i might use it. if my dad and his wife who are sort of weird about nip were to get me one. i would try it out of politeness. if they were on their best behavior as far how they went about giving it and asking me to use it.
i just got some nursing clothes yesterday (off of kath on tp - thanks, love 'em) its my first experience w/ clothes just for nursing and ds is almost 10 month. it was kind of nice for church where i already feel on display b/c we're still sort of new, always late, sometimes fussy, etc....and it was cool not to have my pp belly hanging out
but usually i just lift and latch too