Of course it chokes and dies sometimes -- I don't think there's a Kamen Rider series that has not, at some point, caused the audience to wonder where the writers found that much booze and blow -- but overall, it's one of the more mature (ha -- well okay, as compared to the trains one, or the vampires one, or the VENDING MACHINE ONE) and interestingly plotted Kamen Rider series.
Context is full of crack and loving it