

The resulting waste from a thorium reactor is radioactive for dozens or hundreds of years not tens of thousands of years so you don’t need a giant Yucca Mountain style disposal site
That is assuming they don’t make significant amounts of Fe-60 (2.6 My half-life) by exposing steel pipes to neutron flux. While the fuel itself might have a shorter half-life, other waste still needs to be dealt with.
“Except for Claims (i) in which a party is attempting to protect its intellectual property rights (such as its patent, copyright, trademark, trade secret, anti-circumvention, or moral rights, but not including its privacy or publicity rights) …”
So in other words, the types of matters Nintendo thinks it might have a dispute against users, court and class actions are okay, but for everything that they think users might file against Nintendo, they think arbitration is best.