There's no rule saying that everything must go. It's simply because "help" tends to appear in a lot of non-descriptive titles, and therefore it makes for a good search query.
Personally, I'm ambivalent towards the edit. I don't think the old title was bad, but I also don't think the second part ("how can they help me at a low level") was really needed. If you feel that it was better before, then just rollback.
While we are on this topic, I would like to suggest something to all editors. Questions should strive to be about a conceptual query. Therefore, the title should ideally reflect the conceptual query within. For example, the title "pH of sodium acetate buffer" is not conceptual. I've constructed several different questions that are all conceivably about the pH of a NaOAc buffer:
I mixed 20 cm3 of 2 M Ethanoic acid and 500 cm3 of 3 mol/dm3 Sodium Ethanoate. What is pH of buffer formed? PLs answer fast thx.
I propose "Calculation of pH of sodium acetate buffer using Henderson-Hasselbalch equation".
I am trying to set up a buffer system to measure the hydrolysis of aspirin. I know that one possibility is an acetic acid/sodium acetate buffer but I am not sure what pH ranges I can use this for. Plz help
I propose "pH range over which acetic acid/acetate mixture has maximal buffer capacity".
I want to do reductive amination of ketone what pH acetate buffer can I use? Plz help
I think the fact that this is a HOAc/NaOAc buffer is not even relevant. As such I propose "Optimal pH for reductive amination".