Microreactors aren't that big. The one in the picture is from terrapower, the nuclear company Gates is funding, but they aren't that close to production. The ones that have or are close to have DOE approval, are the size of a garden shed, and can power something like a couple of neighborhoods, or a datacenter. Might need two for a datacenter. They are self-sufficient, small, clean, and take almost no hand holding.

https://www.energy.gov/ne/articles/what-nuclear-microreactor

The article is talking about small modular reactors, which is basically taking hte micro reactor concept and scaling it just a little larger, and creating a power plant, that you can add more modules on to increase the size and power output. It's kind of a hybrid concept between a standard power plant and a classic nuclear plant. They don't take 10 years to build, you're not bulding that giant containment building, because the reactors are small and easy to replace and manage. China has already done this in several places while we dwaddle and waste time being scared of old ways of thinking.