Pirates of the Wild Sea – “King of the Wild Sea” [Campaign 8, Mission 2]

I play similarly, but I think that claiming a map is the weakest, while playing it for 4-8 months and having legions in your army, is somewhat... not reflective of the situation.

Well, that's the whole fun of it, easily defeating everyone.
:)

What if you set a goal to complete the map with a minimum number of troops, in the shortest possible time, exploring every corner, and making the map completely clear – would that change your opinion?

And why go through all that trouble: starting a battle ten times, racking your brain over the actions of each unit?
Apparently, everyone gets their fun in their own way.
:)

Regarding the minimum number of armies.
Do you remember the 3 heroes?
A couple of black dragons and the Armageddon spell could work wonders on maps.
:)

And the Necromancer, who started the map with a couple of skeletons and didn't enter a single Castle, could end up with a truly epic army.
That same Necromancer, with a not-so-large army, could defeat much stronger opponents.
And the Mages, who could defeat everyone with spells alone.
That was real FUN!!!

Heroes 6 isn't worse, it's just different.
The focus is on strength; spells alone can't solve much, especially towards the end of the map.