YOU ARE GOOD.

COLDCARD HAS TWO DICE MODES. 

ONE USES COLDCARD ENTROPY AND THEN ADDS USER PROVIDED DICE RANDOMNESS ON TOP. 

THE OTHER IS USER PROVIDED DICE ROLL ENTROPY ONLY. IF A USER DOES NOT BRING ENOUGH RANDOMNESS TO SEED GENERATION IN THIS MODE - RECOMMENDED TO PROVIDE GREATER THAN 100 GOOD DICE ROLLS  - THEY GENERATE AN INSECURE SEED. 

SORRY IF THIS WAS UNCLEAR ON RHR. WILL BE MORE CLEAR NEXT WEEK. 

 Well you did tell people not to use the dice roll feature which would keep them safe and that's the most important thing.

Basically if you don't understand what's happening with the advanced features don't use them, sound advice.