Per Stylish Executioner’s description, unpowered melee attacks while invisible under the effects of Stylish Executioner applies a weaken effect and increased melee damage to an enemy. According to Bungie’s own design philosophy regarding the glaive from several TWABs back, a glaive melee attack is essentially an uncharged melee attack — but it’s not weakening enemies like a standard uncharged melee attack does under SE.