Seemed like quite a few things went wrong. Shame that it has put a bit of a bad taste in many people's mouths. Hope they do something for all the screwups that happened and all the lost transaction fee's. But in my experience of ICO's this is a bit of a risk that is taken I suppose. Happened to me a few times.
Overall I felt that this was fine apart from the CACHE'd address that people were seeing in their profiles, I have seen mostly disgruntled people who missed out posted on social and little about the successful people, but will wait for their press release regarding this and see how it is dealt with.
The cache part, again for a company that wants to be a key player on cloud computing services, was very amateur. They don't know how to invalidate a page? Or set the headers to avoid caching by the client browsers? You can argue that everybody is entitled to make mistakes, but this is was not a simple mistake on a daily routine event, this was a major public sale that should have been bullet-proof.
But for me the question remains, do you like this kind of ICO's? Versus fully controlled sales where you have a min/max cap, and a few hours to fill your quota before everybody is able to buy more?