La navaja para estúpidos maliciosos

Hanlon's razor [La navaja de Hanlon]

Never attribute to malice that which can be adequately explained by stupidity.

Also worded as:

Never assume malice when stupidity will suffice.

Nota bene:

A similar quotation appears in Robert A. Heinlein's 1941 short story Logic of Empire
("You have attributed conditions to villainy that simply result from stupidity"); this was noticed in 1996 (five years before Bigler identified the Robert J. Hanlon citation) and first referenced in version 4.0.0 of the Jargon File ^[4], with speculation that Hanlon's Razor might be a corruption of "Heinlein's Razor." "Heinlein's Razor" has since been defined as variations on Never attribute to malice that which can be adequately explained by stupidity, but don't rule out malice. or ... but keep your eyes open.
A variant, Grey's Law (influenced, no doubt, by Clarke's third law), posits "Any sufficiently advanced incompetence is indistinguishable from malice."

["Cualquier suficientemente avanzada incompetencia es indistinguible de malicia"]

La navaja para estúpidos maliciosos:

Nunca atribuyas a la malicia lo que pueda ser adecuadamente explicado con la estupidez

Lo que puede leerse:

Nunca asumas malicia cuando baste la estupidez