You cannot expect teams to work every hour of every single day! Every person has the right to time off, what they do with that is their decision. There is nothing to discuss as this is not something that they are hiding.
Of course. But while price fallen in 50x below I CO price, when they postponed mainnet twice - their co-founder enjoying our money at most expansive ski-resort in his country! You think its ok? While other developers of other good projects working 16 hours per day before mainnet and launching mainnet in time!