you're right to be, casual sexism in a tech review is not ok (not that it would be anywhere), and seems extremely unprofessional.
EDIT: As an aside, I've been refreshing the page frequently and the dynamics of which comments are rapidly going gray and back to black are very interesting. Not to mention the order of comments on this page. Clearly there's some strong opinions here. I feel like an analysis of post voting frequency and vote type could be performed and would be very insightful.
[0] https://www.google.co.uk/search?q=whore count the women depicted, count the men depicted.