A lot of the negative feedback appears to be directed at what is really the mobile version of the theme. That’s actually good, as it’s a separate part of the overall code and can be tweaked separately. (Also, I tried it out on my phone earlier today, and I agree with some of the feedback, fwiw.)
If you haven’t already, try the desktop version on a PC or tablet (the software should automatically choose the desktop version on large screens). You’ll find some of the issues raised above go away.
The theme developer is actively working on the theme – I expect a lot of stuff to continue to improve on a regular basis.