I don't really like the idea of part of my factory self destructing, even if the part is non functional. I can't think of any other part of the game that works like that.

What might be useful would be a setting in the deconstruction planner that let's you specify to only deconstruct depleted miners.

Instead of gambling for the rare items you want, you can put quality modules in miners and intermediate production buildings.
With even just tier 1 quality modules you can easily get enough quality resources to build your first space ship and armor with quality.

Once you have the big mining drills ...