The inheritance feature is a huge value added imo
The product is by no means unsafe. If you’re Snowden or a high profile public figure maybe you look somewhere else, but for the vast majority of people the security model is more than sufficient.
The user does not interact with a seed phrase for the recovery process. This is a benefit to most people if we are being honest. There’s a small group of people for which this is a dealbreaker as a primary wallet.
An attacker can force you to create a transaction and steal your bitcoin, but this is no different to most alternatives. This weakness is not unique to Bitkey. This is why it’s probably a good idea to keep the hardware in a separate location from your phone (locker, safety deposit box, etc.) if you’re gonna store most of your bitcoin there. This best practice apply to all HWWs, however. Products like the ColdCard have trick pins and login countdowns that protect against this scenarios, but those products are more complex and less user friendly than Bitkey.