This was published on their own website, it is therefore biased toward a good perception of them. It doesn't seem to be a fair and independent review to help build an opinion.
https://arxiv.org/pdf/1801.10277.pdf
http://proceedings.mlr.press/v37/regier15.pdf
https://arxiv.org/pdf/1803.00113.pdf
I had to go so far as to read the project Github page to find them.
Whose opinion do you want, the Pope? Would a divine sanction be enough for you?