pawsplay said:
IIRC, the previewed Orc "Minion" was 9th level, so I'll use that as a baseline for my examples below.
(1.) Scenario where Orc Warriors are not "Minions", and should be given appropriate HP values by the DM.
A small trio of frightened villagers huddle together on the old, crumbled remains of what used to be the Kings' Head Fort. They desperately scan their small, tattered map for any clues to help them find their way back to the Northern Road. Suddenly, five ferocious Orcish warriors burst from the surrounding overgrowth and surround the horrified farmers. The three men draw out what few weapons they have with trembling hands, knowing that they stand no real chance in this battle.
In this scenario, the Orc Warriors would all be given HP appropriate for a 9th Level Soldier because they are vastly superior combatants.
(2.) Scenario where Orc Warriors are "Minions", and should be considered to have 1 HP.
The three lost villagers abandon their map and cry out in relief as a retinue of mounted knights appear from the overgrowth surrounding Kings' Head. One of the villagers recognizes the knights' leader as none other than Sir Alaric d'Tvoul, master swordsman and renowned general. Just as the two parties approach to exchange greetings, an Orcish raiding party bursts from the surrounding trees.
In this scenario, the Orc Warriors would be "Minions" because Lord Alaric and his personal vanguard greatly outclass their combat abilities. The two Orcish Bloodragers that are leading the charge, however, are most certainly not "Minions", and will probably cause a lot of pain before they fall.
It's all in the presentation, really. Monsters are only "Minions" if it suits the story for them to be referred to as such.