The simplicity of the code, it's ease of use, the fact that you can easily run your app locally without any hassle, the community support is great, and most importantly - it's free! Nothing really to dislike about macaron, I love macaron for its simplicity and the fact that it has been built by people who know what they are doing.
It's very easy to get started with macaron, but if you want to do something more advanced than just CRUD apps, then you might need some time to figure out how things