It's heartening to see the EFF come out sticking to principles on this in a time when other organizations of their stature have not. I hate to say it, but I could easily imagine something like the ACLU opposing the EFF on this.
I think you misunderstand the EFF's position here if you think this is some kind of enlightened centrist "I may not agree with what you say but I will fight to death for your right to say it": the EFF is opposed to ISPs filtering content because that is not the job of an ISP and not a level of analysis an ISP should be allowed (much less required) to do. The EFF very much promotes progressive values, more consistentl…
This is not a problem for free speech organizations, though, since they have the ability to choose which cases they represent.
They can (and do, I'm sure) often weigh the perception of bias in which cases they take on next.