They raised some good points.

At the end you have to take their words with a grain of salt. The team could well have a prototype ready on standby that is able to be transformed into a working product when demanded, but at the same time coin analysis obviously has way more experience than you do in terms of analyzing current ICOs, meaning that if they think it's a scam, it probably is.

Regardless, you should really do your own research, and know the risk before acting on it.