Originally Posted by kalniel 
People buying games today prefer to buy DLC over expansions*. Whether that's because of the impulse thing or otherwise I don't know.
*hence why developers make DLC rather than expansions in most cases. Obviously a slightly simplified statement, but the core fact that these businesses generally have done the right research remains.
I disagree. Developers are making DLC instead of expansions because it's more profitable. People are buying DLC because, in most cases, there's no expansion as an option.