Cemeteries aren’t for the dead, they’re for the living.
The living are there 1% of the time. The dead are there 100%. Put the cemetery in a place that isn't prime real estate because of this was my opinion.
It’s an interesting subject with a mix of practical, religious, and economic incentives resulting in a huge range of different outcomes in even closely related cultures.
We need the practical solutions, not the ritual.
If composting isn't a good option then there's natural funerals where unembalmed people are buried in lightweight and compostable caskets and have trees planted over their grave.