The armour conundrum (or what classes/kits should be allowed to wear helmets and use shields)

I could have made this into a poll, but polls are generally fairly limiting and I wanted to focus more on discussion anyways.

When I say "helmet" I'm not talking about Ioun stones or the King Strohm mask (or some other similar quest-related mask that everyone can wear). I'm just talking basic helmets.

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Since time immortal the question of what "cannot wear armor" means has plagued many a mind.

For the Shapeshifter it means that you cannot wear anything in your armor slot (such as studded or leather armor) but you can still wear a helmet and use a shield (buckler). Other druid kits also limit the armor you can wear to leather (similar to a thief) but you can still wear helmets and use bucklers.

For a mage/sorcerer it means you can wear a robe (including a robe that sets your AC), you cannot wear armor (like leather, studded, etc), and you cannot wear a helmet or use a shield.

For a thief they cannot wear armor greater than studded leather, which apparently includes helmets. But you can still use a shield (all be it in a limited capacity). Same thing for the bard (though they can use chainmail).

For a kensai you can't wear armor (leather, studded leather, plate mail, etc), a shield or a helmet.

Monks can't wear armor (leather, studded leather, etc), a helmet, or a shield.


and so I ask should the descriptions for these classes be changed to reflect what "armor" they are actually prevented to use? Or should classes/kits be changed in some way to create greater consistency here? (feel free to discuss an alternative to these two thoughts as well)