To repeat my previous answer, Generation Squeeze's proposal was to study generational wealth inequality. It was not to study the capital gains tax issue specifically. Perhaps I was not clear on that, but I'd just like to state that their study was quite broad, and they chose, as part of the solution, to focus on tax for an aspect of their response.
Evidence of meeting #13 for Finance in the 44th Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was cmhc.
A video is available from Parliament.