If there were only two evils, I might agree with you. But there are better options than either of the two you mention, for example Preview on a Mac or Sumatra P

If there were only two evils, I might agree with you. But there are better options than either of the two you mention, for example Preview on a Mac or Sumatra PDF in Windows. Converting to Flash makes it harder to use a decent program to view PDFs, picking evil for everyone, not just those who use Adobe Reader.