Yeah, if I were looking for an internship, I'd hate to have my cover letter and resume circulated on personal emails where it's sure to be read closely. Exactl

Yeah, if I were looking for an internship, I'd hate to have my cover letter and resume circulated on personal emails where it's sure to be read closely. Exactly, in this specific case it is a net positive! That's plenty of reason to ignore the implications of the underlying behavior.