I've added a sarcasm indicator to my post to clear up any confusion. The point is that there are lots of valid reasons to use an unbounded amount of memory, and

I've added a sarcasm indicator to my post to clear up any confusion. The point is that there are lots of valid reasons to use an unbounded amount of memory, and it's reasonable to expect unbounded-memory-using applications to have mechanisms which free that memory over time without direct user intervention (eg, manually closing a tab).