You're not the one paying them, and you're not the one driving the cars. They are the ones doing it, they are feeling how the cars handle. When the car slips, they know why and if they could have done something about it. They know the situation, can compare it to their past experiences, and if they're are in a situation, where they can see that they can't control what's happening, T10 would be the example, they have the every right to call it 'undrivable', as their team, the ones paying them, are dependant on them.
It's arrogant, to say the least, to state that you know it better, a fan at home, than the multibillion industry that is F1, which has unimaginably more data than anyone else here.
How much data analysis do I need to load up Fuji 2007, suzuka 94 or estoril 85, and dozens of other races to clearly see the drivers are talking absolute nonsense?
How can it be too dangerous when they raced in worse conditions for decades??