Heating Countertops and why it should be done with FeelsWarm not EFH

Why is heating a countertop with Feels Warm better than using floor heating cables.

Here is a case study of a countertop that cracked because a Nuheat mat was used instead of a low voltage heater like we sell.

https://feelswarm.com/wp-content/uploads/2018/02/Dangers-of-Using-Floor-Heaters-for-Countertops-min.pdf