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Absolutely no one denies that the B-2 in particular is unstable, but it is one particular model designed to a particular set of requirements that are vastly different from those for a commercial airliner. It seems that the general public have internalize "the B-2 and F-117 are inherently unstable" as "flying wings are inherently unstable", which is incorrect.

[thatswrong0]

To be even clearer, these two planes were designed with the goal of having the smallest radar cross-section possible. The lack of aerodynamic stability was worth the trade off (esp. since it could be compensated for by flight computers).