Why are Japanese people so bad at English?

It is a discussion we often have, in Japan and here. Japanese people seem convinced that English is too difficult for them. But there are other reasons beyond the fact that English is vastly different to Japanese.

Here are some reasons and language-learning ideas for those of us living in a land that doesn't speak our heart language: http://japaneseruleof7.com/why-are-japanese-so-bad-at-english-5-reasons/