A lot of these are Chapter 29 actions. That's under chapter 29 of the Texas property code. Check it out…it deals with payment of ad valorem taxes by one cotenant and allows that cotenant to purchase the interest of the non paying cotenant(s).
Some are partitions, which do not dispossess people if their undivided interest, it only turns the partitioning property owner's interest into a divided one. Partition is a right of any undivided owner.
The other is adverse possession, which is a key aspect of our property law system.
These are the result of the diaspora of African Americans from the south to the cities on the east and west coasts. Nobody is there to take care of the properties and taxes are not paid.
However, I think the concerns are the tactics and odd attorney-client relationships. But at its heart, it's due to nonpayment of taxes or absent landowners.
That's how I get there.
What you say, Paper Champion? I'm gonna beat you like a dog, a dog, you hear me!