I only just noticed this reply now. I didn't mean to offend and am not asking you to justify your decision.
I tried to attach the above as test.lef but it appears that .lef is not an accepted extension. Do you want it as a .txt?
This is a minimal LEF to reproduce the problem. I'm not sure how to upload an attachment or I would provide a more complete test case. Thanks.
VERSION 5.6 ;
DATABASE MICRONS 2000 ;
VIA OR_DEFAULT STRING…