Interesting read. To anyone interested, the original article can be found here: https://www.nature.com/articles/s41560-020-00696-3
Also note there is a critical re-analysis posted in 2022 reporting some other results, and a reply from the original author again.
The former heads of nuclear power regulation in the U.S., Germany, and France, along with the former secretary to the UK’s government radiation protection committee, have issued a joint statement that in part says, “Nuclear is just not part of any feasible strategy that could counter climate change.”