The additional snippet doesn’t help much.
Members can grasp just by looking at the subject line if they are interested (or have the answer to the question).
Notice how just the subject titles are displayed – this allows for more posts to be quickly scanned.
Notice here that just four posts manage to squeeze into the same amount of space. This means fewer people will see activity – which is especially a problem in a community as active and as successful as Atlassian’s.
Some battles are worth fighting, this is one of them.