My biggest problem with this is that they're using Javascript to implement this: Eich was instrumental in it's implementation: If you're going to take a stance be consistent.

Also the "Internet Exploder" thing detracts significantly from the professionalism of the letter.

This feels a lot like the ignorant "BDS movement" that certain groups use to defame Israel.

I would understand their resentment if he had fired somebody based on his views or otherwise allowed his personal life/views to effect his actions in the workplace, but this is just knee-jerk.

Here's a much more eloquently written essay on why OKCupid is wrong. https://news.ycombinator.com/item?id=7505882