> "Why not offer everyone an 'intern buddy'"
Female interns could have complained about sexual harassment, female interns could have had lower rates of accepting return offers, etc.
> "Also, why change from opt-in to opt-out"
The program had been going on for a while. They could have had data that suggested that female interns would be interested in such a program but had fears about bringing it to the attention of their managers or had fears of the repercussions of being one of the few who accepted.