I don’t mind more nuclear if it’s done in a modern and safe fashion. The US has a tendency to build old fashioned water cooled reactors that output nuclear waste that we have to find a place for. And we do stupid things like building them on fault lines and flood zones.
The current gen nuclear reactors are the only ones that have a chance of being built with all the known drawbacks. And even if we started building them like crazy, it would still not be enough to meaningfully contribute to mitigating climate change. All the other designs, like Thorium or SMRs are just pure science fiction and at best decades away from being viable.
If this magical reliable, cheap, abundant, fast to deploy molten salt handling technology existed, the people with it would be dominating the storage industry with carnot batteries on every abandoned (and active) coal plant as well as the solar industry with 2c/kWh CSP.