The refusal to do service with a business is fine, free will and all that, the problem is that people are attacking the business and preventing them from doing any business with people that want to. This is a reaction to the DDoS...
You do not and can not possibly know that.
Situation happens -> posts are made -> drama drama drama -> days go by -> Adria tweets that Sendgrid support her -> Sendgrid is taken offline, company suffers -> Adria is publicly fired.
There's no way she was going to be fired for her actions at the conference, however shitty they were she explicitly stated that Sendgrid supported her: https://twitter.com/adriarichards/status/314452708549603328 unless she's delusional too...
It doesn't matter if it's speculation or not. Anyone that boycotts a company because an employee used her bully pulpit to call out someone's misogyny is an asshole. Any company that reacts to that loss of business is also a company full of assholes.
It doesn't matter if it's speculation or not. The DDOS DID happen and anyone that says that it didn't influence their poor decision, is very confused about the world.
It doesn't matter if it's speculation or not. Everyone has lost in this situation. The original dickhead that didn't have enough sense to keep his misogyny out of ear shot which cost him his job, the company that fired him because they didn't want the exposure of keeping a sexist who was caught red handed being a sexist, the woman who has had to put up with some of the worst trolls on the web because she called out someone making sexist jokes, and the company that felt that they had to fire her because of the exposure of keeping her on the payroll AND because of the vicious disgusting amoral assholes that have attacked that companies servers.
Frankly. Frankly it doesn't matter. This situation sucks and the trolls are behind the steering wheel nearly every step of the way.
misogyny n.: The hatred of women by men. sexism n. : Prejudice, stereotyping, or discrimination, on the basis of sex.
Now go back and read what the men were actually making jokes about. As much as I hate to burst your bubble, dick jokes, as crude and inappropriate as they may be for a professional setting, do not show any "hatred" or "discrimination" towards women. Hell, women can make them as much as men can too. If a male overheard two women making vagina jokes do you think they would start to claim they have a "hatred (or discrimination) towards men"? Hell no. I thought the feminist movement was supposed to be about equality?
Maybe SendGrid found out more information or found more persuasive arguments and changed their stance of support.