Man, if you had told me back when I was playing 1.6 that one day I would be playing it in a browser, I would have laughed. Crazy how far we've come with video games.
Ive definitely noticed that one of the biggest inhibitors of growth in SaaS companies I've worked with is just letting high amounts of unnecessary churn happen, or throwing way too many resources at the problem only to reduce it by a small among. Giving your customers the tools to prevent themselves from churning seems like no-brainer and a very strong way to combatting that.