if it's a fallacy that if it’s OK (or at least negligible on a small scale), then it must be OK on a large scale, then the alternative "it's ok at a small scale

if it's a fallacy that if it’s OK (or at least negligible on a small scale), then it must be OK on a large scale, then the alternative "it's ok at a small scale but not at a large scale" starts to slide us down a slippery slope... fallacy.