I'm on my phone so can't do your post justice, but I will say that you're not wrong. But, I don't even own a diagonal!
I've got to get one. I bought a de-lite eyepiece and I keep saying I'm going to get a max bright...
Here's the thing about imaging for me. I love the tinkering and the journey almost as much as creating an image. Why? I love to learn. My brain has a hard time shutting off. I can't watch TV, hate it. There is so much to learn with astronomy... the sky, the toys, the image acquisition and processing. I like to be challenged and I also need something to distract me from my business as I get obsessed with that too. Hmmm... now I'm starting to wonder what my wife sees in me.....
I really do need to try observing though...