The US at least already has enough nuclear to handle base loads when solar and wind are unavailable. Nukes in some contexts are needed, but I believe we have 30% or so nukes in the US. Diverting resources to new nukes is a waste when we could be making carbon fuels unprofitable soon by investing in solar and wind.
Margaret Killjoy is just a joy to read. Her hook for this article, an anecdote about arguing with a pedant on the train, is just such a good way to introduce the article.