So a lot of stuff in the post is not about going outside some professional limit (e.g. few would have been offended if they played with nerf guns in the office, like tons of startups do and most are alright with -- but which a lot of cultures would deem "unprofessional" as well, since it inherently has nothing to do with work).
Though this does go beyond limits:
And the harassment escalated, she alleged. In December, English called her into his office, shut the door and took off his pants, she claimed. Moore said she was uncomfortable, told him his behavior was “harassment,” and asked to leave the room, but English “would not let her” and began talking about his ex-girlfriend’s faults, she claimed.
as it's not mere talk (which can be crude, sensual, or whatever), but actual abuse: nobody asked to see his genitals...