And then I can explain to my boss why I'm working on stuff I'm not supposed to when I could have just wrapped it up once in a library and fixed it once on all t

And then I can explain to my boss why I'm working on stuff I'm not supposed to when I could have just wrapped it up once in a library and fixed it once on all those projects. So now not only have I created a bug, duplicated it N times, but my boss thinks I'm an idiot and wasting time for not applying DRY and good engineering hygiene.