I'm absolutely concerned with detail lol.
I just see that meticulosity has its place towards the latter part of a piece's creation, just as it does with every piece. With your definition, using a brush larger than 1x1 for pixel art would deem it beyond the bounds of what can be labeled as pixel art.
This is exactly what I have a problem with! The use of larger brushes on a mouse is just clunky.
I'm simply looking for a way to use larger brushes for a more dexterous way to begin larger pieces, and tablets offer that.
I see it as having more command over how your piece is structured from the get go, as opposed to the limiting nature of the way you can move a mouse.
Maybe if you get a small mouse, like a really really really really really small mouse and hold it with your pointer finger and thumb, you'd have more control you know.
I think I'm biased because I use a Logitech G502 and I've mapped my mouse keys to various tools and it's more convenient than moving back and forth between the tools window. I took all the weights out as I like light mice, and use the precision button to slow my DPI to a very precise speed to really work on the details.
It also may depend on what program you're using, and for what you're using it for. I don't know about digital painting, though could recommend paint tool sai and artrage. Strictly pixel art speaking:
Aesprite. Needs no proof.
Photoshop. Overkill but sounds cool if you want to say 'Photoshop' or 'Overkill'. Also, I think Elk uses photoshop so if you want to draw like Elk or think saying "Elk uses Photoshop" sounds cool- this is for you.
Pixen. Nice, everything you need to pixel art. No clutter, no gimmicks. Mac only. I use it the majority of the time.
Aesprite. It's better but my mouse has issues on a mac and am forced to use the MagicMouse when on my Mac, therefore try Pixen.