Facts
When crew are provided with all means to plan their flights and fair warning of upcoming flights, "THE MAN", does not wish to be told at the last moment that their activities will be curtailed due to, for example weather.
The crew therefor have/had the responsibility to monitor weather events and advise and plan accordingly.
The record, on this forum, of the principal in this case is perhaps tainted by reputation rather than experience or facts.
I am not by any means attempting to decry all that has been said thus far, just that there were two guys capable of making decisions for themselves. Whether they made an error of judgement or bowed to some implied pressure it is not known at this time.