I think that's the point. We're supposed to buy the alicorns....or buy energy with gems...either way, they want us to spend. Ironically, I used to spend, back before I felt like I was being forced to do so. I still believe that they could give players storyline, tent updates, and other player requests while still making money, but that doesn't seem to be the current business plan. So now..... I consider doing these events without spending to be a personal challenge.
That is how I'm feeling too. Except I'm thinking level 7 or 8.... The last two level requirements just look so discouraging, especially with the horrible drop rates.
I wish they'd tell us what, if anything the finished table and the fountain pile of 'dirty dishes' we get for completing it will drop. (still laughing at pile of dirty dishes!) But I'm guessing they won't tell, knowing many will stop if we know for sure it will be coin only.