More than she knew. Most likely she was an enabler.
Gee! look at all the turds in the toilet.
Not only did Oprah, Meryl, et al. know all about Weinstein, they currently know about the Hollywood abusers and pedophiles who haven’t been outed yet. All this “time’s up” grandstanding about Weinstein and others is such a sham, but Hollywood is very good at fakery and pretending.