In the old days, there was a popular saying that a caravan moves at the speed of the slowest camel. And indeed, the strength of almost any thing or phenomenon is actually determined by the strength of its weakest link. In other words, you can have a great sports team, for example, but the failure of just one athlete can bring literally everything to naught.
The world knows many situations where someone's unfortunate mistake, oversight, or just stupidity actually ruined everything for everyone, and we have written about such stories more than once or twice. Well, it's time for another selection of such examples and tales brought to you by Bored Panda.
More info: Reddit
