This is absolutely true.

Yup. You had the opportunity to view the code and reason about it…but you didn’t. This applies to all hardware wallets. Well, all source available wallets

I tested the dice rolls on three different seed generators and they all had the same seeds generated... so that was my verification. Still not good enough?

Dice rolls and pen and paper and an airgapped device to calculate the 24th word is now the only way that I will trust.

Nope, verified.