It's disappointing - and often embarrassing to be honest. On the plus side it's usually impossible for a casual listener to tell what's being said...
The English parts should be the way to get others into the music by being really clever or poetic - or should at least be representative of the quality of the Japanese lines.
They are never like that, and often end up confirming some people's views - that jpop/foreign-language music is mostly nonsensical rubbish
