[jasode]

>First, who signs these types of contracts without red lining that, and second, who's actually ever willingly complied with this?

Companies buying software voluntarily accept license clauses about potential software audits -- because they want to use the software.

There are even niche law firms that help defend against software audits. E.g. : https://scottandscottllp.com/autodesk-audits-how-did-autodes...

The rationale for deliberately buying software where the vendor has auditing rights is that the buyer gets more value out of using AutoCAD than worrying about audits.