"Physical Defense Taken" and pets

[Koushiro]

A while ago there was a patch for Atma of the Ducal Guard because Summoner avatars were able to reach -100% Physical Damage Taken and essentially become immune to physical attack. However I don't think this same fix was applied to Beastmaster and perhaps Puppetmaster as well. I've personally seen Beastmasters who are able to stack enough Physical Damage Taken- Atma and equipment have their pets begin taking 0 from every physical hit. While I'm unsure if this is intentional or not, it certainly 'feels' like an exploit. Essentially the pets can be completely invulnerable to certain NMs in Abyssea.

Platform:
PC

ISP:
Comcast

Type of Internet Connection:
Cable

Internet Connection Speed:
12Mbit

Date & Time:
N/A - Game mechanic issue

Frequency:
Always

Character Name:
Koushiro

Race:
TarutaruM

World:
Valefor

Main Job:
N/A - Game mechanic issue

Support Job:
N/A - Game mechanic issue

Area and Coordinates:
Abyssea

Party or Solo:
Occurs Solo or in Party

NPC Name:
None

Monster Name:
Any monster relying mostly on physical attacks. For example: Awohondo

Steps:

1) Be a Beastmaster
2) Go to Abyssea
3) Apply "Atma of the Ducal Guard", "Atma of the Zenith" or others with Physical Damage Taken-
4) Use equipment that also enhances Phsyical Damage Taken- on pets, such as fully upgraded Guichard's Axe, Anwig Salade with PDT- augment, etc. Enough equipment to reach 100% total when combined with Atma.
5) Let pet HP fall below 50%.
6) Notice your pet is invulnerable to physical damage.

This may also be possible on Puppetmaster, I don't know one with the correct equipment to try.