Note that it is the second time the dam is destroyed here. During WW2 soviets exploded the dam upstream (Zaporizhzhya dam) perishing ~100k civilians and their own military.
I guess he meant the shift from government office offline visits to full digitalization. At the moment a lot of common operations and documents (e.g. register the company) in Ukraine can be done exclusively using the Internet, and if you try to visit a government office they will send you back to fill the forms via the website.