Its described in the article, they drop the bus idle level to 1.95V, the issue is other devices on the network will have biasing in there transceiver pulling it to 2.5V already, it would be fine if everything was running at the lower Idle threshold, but some devices can trancievers don't quite work to the full specified range and get upset if you play with the idle level
To clarify, your device would likely read fine, and send the data, there just will be idle level fighting, and the possibility some devices will fail to read what your device writes