The biggest issue I think with toying around with max technology designs is that systems effect in game will actually change quite litterally during a campaig and also varry quite differently depending on what technologies you develop and in what order. Then the environment in which you find yourself in will also make some system and configuration more or less effective etc...
So, you probably will not actually learn much from designing these ship and instead learn some bad behaviours as a result.
I would suggest just play the game and learn by your actual mistakes instead, this will teach you allot more of both the game and ship design and combat efficiencies. One single ship also don't exist in a vacume, you will have fleets of ships with many different configurations and sizes. This is where the sum of the parts are bigger than the individual pieces.
Agreed. Plus a huge aspect that I don't see being talked about is the actual resources involved. A ship like this will take a long time to research up, a even longer time to build. It'll take huge amount of minerals that you may or may not have, and it's one big behemoth of a ship so you send it out and well that's all you really got. A ship this size would probably come in after you already have a couple of combat fleets and it would be a spearhead for one of those fleets.
It's fun to theory craft of course but like others have said, few people make it to end game techs. Usually, the game is won/lost or abandoned far before that.
