AFAIK^^ interests on new profiles are set as "Friends Only" by defaults and that was one of the defaults on the previous privacy rollout for pre-existing users after the cry out.

All this does is change how the interests actually link (They used to be linked to a search field seeing who else had that text, Now they link to pre-formatted fan pages which still show who else like it but with descriptions from Wikipedia.)

^^Will need to check on my Alt FB account.