I think there are those people who persist and work it out, those who politely ask for help (OP) and those who say "Impossible. Game is broken!" and leave you a 1* review on the App Store.

We just released our first iOS game and sadly that latter group can be enough to hurt your ratings!

Do you ever get constructive feedback from 1* ratings?

I've left 1* ratings for games I play all the time because I absolutely hated the in-app purchase intrusiveness.

I think you can learn something from all feedback, even if it's unfair and might've been better off sent through a support/feedback form.

I think a 1* rating for a free game relying on ads or IAP is a bit rough unless the requests are brutally intrusive. In the case of our game, we show an ad between each game that is instantly dismissible. 10-20% of the time we show an upgrade modal in case people want to ditch the ads and get extra features.

One of the ad networks we beta tested had unskippable, 30 second video ads with sound!