Recycling stuff is hard, expensive, and energy-intensive. Why should electronics be uniquely recyclable?
We need to get past this idea that just because recycling makes you feel good must mean it IS good. Most of the time recycling stuff uses more CO2 than simply throwing it into a hole and making another one.
Interesting stuff about monofills and green concrete here [1].
Leaching is the big issue. Recycling solar panels is going to keep getting more important. Maybe if there was a way to lock-up the metals with additives [2], or make everything a mushroom substrate?
"Mycologists estimate that we have only catalogued about 5% to 10% of the world's fungi." There's probably some solutions in that world. [3]
[1] https://gemini.google.com/share/a32152a6e84e
[2] https://gemini.google.com/share/9ba36745ea5f
[3] https://gemini.google.com/share/c4682c734b15