Plus having most of your net worth locked up in something no sane person would consider buying off you because you can't prove you own it is ... suboptimal
That's... a curious thing to have in the body of laws. What's its purpose and who does it serve?
The advantages are you can see who owns the land, there's no argument in 20 years time when someone puts a competing claim.
There's an entire industry in the US dedicated to working around the problems that buyers have https://www.alta.org/
If you buy land, then build a house, then someone comes along from 1932 saying "actually that land is mine", you are screwed.