When you’re part of a movement that appears to be successful, doing more practical work has immediate benefits, whereas engaging in lengthy theorizing has uncertain payoffs and may even be counterproductive if it threatens your coalition. But should your movement fail, you suddenly find yourself with a lot of free time to reflect and write (particularly if you end up in exile or in prison) and you can also be far more critical of said movement since relationships that once seemed instrumental can now be challenged if not abandoned.
wedontagree.net: Technically Radical: On the Unrecognized Potential of Tech Workers and Hackers