The weight of course matters. My practical solution has been, like with a suitcase weight, to make the bike very rollable. I decided against a number of aftermarket options that could save weight, but looked way too fragile. I cannot afford the bike breaking under conditions where I am completely out of my element and yes sometimes my life can depend on it.
All I was saying is it sounds like durability is more important to you than the weight, thus the modifications. Priorities. It's your bike and you know how you use it. I personally think it's great that you were able to achieve the end result you wanted and hope you enjoy it for many years to come =).