Also source required where the number of sexual harassment cases at Uber > the number at a comparatively sized company. Otherwise you are just going off of who gets the most publicity in the media.
You’re asking for something impossible, I.e. proof of something that cannot be proven. After all, any sort of statistic I could find would be tainted by your “media bias” catch-all.
If a large org has junior employees harassing other employees, that's bad.
If the CEO and executive level is actively participating in and covering for same, that's organizational policy.