Could distribute the risk by using different vendors. I've never gotten down to the point of verifying the math or doing manual dice rolls etc...
Respect to those that do
Discussion
The coldcard ultra paranoid walk through, even if you dont do it that way, is great explainer on this. For me, confirming a device is "mathing" correctly was just a fun thing to do with the added benefit of then being able to trust the device
Do the dice once and you’ll always do it in future. It’s really not that much effort for the additional entropy and personal verification. First time I did it, I just followed southern bitcoiners walk through for mk4. Was awesome. It’s worth the extra steps as gives you confidence too