Which of the following is a critique of Kantian ethics?
a. The focus is entirely on motivations while ignoring actual actions.
b. Since consequences can't always be known, people's motivations should also be considered as part of determining ethical behavior.
c. Happiness is not the same for all people.
d. If goods and services are distributed according to need and not productivity, there is no incentive to be productive.
e. The framework is overly rigid and resistant to change, particularly when it comes to adapting to new social, scientific, and cultural developments.