It's open to interpretation but the poster said " so we ignore the vague costs against the concrete benefits." At the end of the first paragraph. He could mea

It's open to interpretation but the poster said " so we ignore the vague costs against the concrete benefits." At the end of the first paragraph. He could mean "we" as in people though. He also didn't qualify the statement with something like "Some people.." "Many think..". Finally he offers no criticism of why it may be bad to think like this. However, you're right and reading it now after the comments people made makes that seem more of a possibility than when I first read it.