It's not so much the missed sleep, as it is the 48 hours of intense heart-rending stress.
These engineers work at a world class company and are paid vast sums of money to not fuck things up. They live way better off than the majority of the country and their mere presence makes life more expensive and stressful for communities around them.
To suggest they cannot go a mere 48 hours or less without sleep on one of their company’s most hyped days is out of touch.
You're not saving lives, you're selling books and cat litter on the internet.
Disclaimer: My knowledge is based solely off of public reporting and first hand experiences of SWEs and TAMs no longer at Amazon/AWS.
People need sleep to think straight, and no amount of money or responsibility is going to change that.