There are those who swear by it (and those who swear at it)
As with any coding aids, using this 'saddles' you with some decisions made by the people who programed the aid.
While this can make creating product faster and easier, the finished product will not be as elegant as something that has been hand coded by someone knowledgeable eonugh to build from scratch.
[Nore that I've not used this software specifically, but am opining from a general experience with various different coding aids/libraies in a variety of languages.]