not by what was described in blog post coldcard was an entropy generation fail because they rolled thejr own RNG protocol

No, unrelated. That one was a random number generation problem in another vendor's device. These are issues in our own firmware, found during our internal audits: a bootloader exploit already fixed in July, a memory corruption bug on the Multi edition, and a silent payments implementation issue that...

Probably not, but it made them reinforce their ecosystem with more audits and fixes, like everyone else…