This is obvious nonsense. If the ‘fiduciary duty’ were as strong as modern urban legend suggests, it would imply that all companies need to abandon their custom

This is obvious nonsense. If the ‘fiduciary duty’ were as strong as modern urban legend suggests, it would imply that all companies need to abandon their customary businesses and do the most profitable thing at all times. Lemon prices down this week? Quick! Stop manufacturing spoons! Buy lemon farms! That’s obviously not true in the short or the long terms.