I totally disagree. I think these early days of a beta are important and these rules need to get ironed out or I fear the beta isn't going to survive.
There are three... and only three suggested on-topic subjects you can ask about in the question help page:
- seeking uncommon solutions to common problems;
- asking for unusual ways of using everyday objects to make life easier;
- looking for simple and practical tips to life's everyday problems that may not have an obvious solution
These questions (the two that are closed based on title alone) look like they perfectly nail that middle bullet down.
The suggestion that these questions are off topic because "answers could go any of a thousand ways" is just not good enough. The very nature of life hacks is open-ended. There are thousands of ways to do everything that's what a life hack is in the first place... a creative alternative to the normal usage of something.
Additionally, I don't see how one could even form a question that meets bullet #2 without also failing your "could go any of a thousand ways" criteria. If you already know specifically what you want, then you probably don't need any help from a life-hack forum.