This also breaks any websites which require Facebook to login.
Without quick and accurate communication from your pedaling feet to your equilibrium sensors in your ears to the visual processing through your eyeballs - if any of these sensory data flows is cut, the rider will eventually tumble over.
For a concrete example, let's imagine a typical journey to a restaurant in Vietnam.
Food is a typical small enterprise here, given the low barriers to entry compared to other types of business, giving foreigners an impression of how entrepreneurial Vietnamese are.
You know nothing about it except that it's near you right now. There is a lack of situational awareness among the staff. You try again, but your second choices are also not for sale today (or any day). But a million customers could try ordering an unavailable dish without the store owner ever knowing about this demand. Because the staff will never relay those failed requests up to someone who can take action, the low level staff themselves being completely powerless in this typical hierarchy.
[I have sometimes sat down at a restaurant and then left after a few minutes without anybody offering to accept my money in exchange for a meal. Anyways, you end up ordering less than you would have if the menu was accurate and up to date. Hopefully, there wasn't a mistake due to miscommunication and lack of confirming your order carefully.
But among the myriad of food & beverage businesses which start up in Vietnam, the vast majority close prematurely for what I think are preventable reasons knowable ahead of time.