What Are The Pros And Cons Of Not Using The Arduino Bootloader

Pro:

  1. you get more space;
  2. next complexity;
  3. you have full control of the mcu all the time;
  4. if it is possible, you have got to try it;
    ...

Con:

  1. then it is not an arduino anymore;
  2. why pay more and get less?
  3. nobody cares about the extra space;
  4. just because it is there doesn't mean you have to try it;
    ...