This statement echoes Benedict's chapter on obedience, which states that a monk who obeys grudgingly "acquireth no reward; rather he incurreth the penalty of murmurers" (RB 5).
Indeed, uncle and nephew alike arguably belong to the tenth category of "lepers" proposed by Tymme, the "murmurers," who, ignoring the fact that "it becometh us to obey gods will, without curious searching & murmuring" (L4r), become "disobedient, or rebellious against their sovereign ...