The theme is very good. I am fairly new to WordPress but an old hand at web design and can make my own responsive layouts.
I have been able to create several websites using this one theme in differing layouts due to its clear structure.
Some people here say it's basic, some say it's too technical. I would emphasise that if you want to use the theme as is, then it would appear easy. However, if you wish to create bespoke sites, then the technicality is what you need.
Just to give you a flavour.