It's without a doubt that there is extreme misogyny on the internet and in the real world, but I would be interested in the demographics of the bad responses you got: country, age, gender, etc. This is the natural next step to understand how to solve this problem.
It's not without a doubt. See other comments. It might be that people think the pretty woman photo is fake or that it's all a scripted bot. The sexism might actually go the other way round - some people assuming these web devs are ugly antisocial men hiding behind fake photo of a pretty woman.
