Seedsigner is only good if you can guarantee physical security. Just like a seed on paper without pass phrase.
Discussion
You should always backup your wallet physically, so securing the seed is always a necessity.
what is the argument here exactly. to what other hww/signer/cold storage are you relating it too and why does that one not have this issue
You can’t tamper with the coldcard because the firmware check would fail. Seedsigner can be tampered with with physical access, see this demo where the seed is written to sd card: