What about your loyal users? Are they supposed to fend for themselves now? These types of exits create bad precedents for other startups and will make customers wary of using services from the newer companies.
How about open sourcing some of your code if possible?
This really was kind of shitty of them. On the one hand, I understand the excitement of being acquired by Twitter.
One the other, that was really shitty and, to be honest, seems very unprofessional to me. People should be in it to produce long-term services and get paid by customers, not by providing a service for a little bit, getting people dependent on it, and then yanking it out when it's profitable to do so.
So, if adgrok were to, for example, not provide nearly as equitable terms as competitors, would you stay out of loyalty or bolt for the better deal?
Just to let you off the hook, neither answer would really justify your harsh (almost personal) criticism of what seems to be a pretty straightforward business acquisition.
How about open sourcing some of your code if possible?