That’s simply untrue:

https://www.nasa.gov/pdf/578543main_asap_eol_plan_2010_10102...

https://www.nasaspaceflight.com/2013/08/bringing-down-iss-pl...

https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/199600...

https://standards.nasa.gov/standard/nasa/nasa-std-871914

yep .. but not controlled (as parent implied) .. simply because there is so many variable and the mass is enormous. Standard model can't handle that. I'm just summing a section dedicated to that in Science & Vie [No 1175], august 2015.

We know how to start the process, but the disintegration of so many heavy part is intractable .. some part will touch ground, but we can't tell where with certainty.

Nice pdf.

edit: years