The solution to that isn't to not fight now in hopes that more people join later in outrage. It is to use current success to push the debate onto the opponents

The solution to that isn't to not fight now in hopes that more people join later in outrage. It is to use current success to push the debate onto the opponents' turf. Counter the lobbying to (over)extend copyright protection schemes with lobbying to reduce them (more narrowly tailor them), which easily reads as increasing individual freedom and the scope of the public domain. Push back.