Yes, they have lots of advantages. Low cost, easily stored, can be finished in a reasonable time, and don’t need much stock. Not much use if you want to see an A4 at speed with 8 bogies, but sometimes one has to compromise ! Carl Arendt’s site was always a joy - not so easy to navigate as the site has gone through changes since his death, but here’s a reasonable link: https://www.carendt.com/category/micro-layout-design-gallery/