I would first tell them to check out their features and benefits.
I personally selected it because it was easy to setup and install. I like how you can install an automatic script which makes it 100x easier. There aren't any problems and I love the website builder. The features I use are: adding video/audio, uploading files, blogging, and offer specials. They are really performing well and it is my #1 website builder right now. There are many benefits that I have received, the main one being how simple it is to edit.
Overall, the features and how easy it is to use.
Nothing, Soholaunch is great how it is!