>>11789519scaffolding and safety on construction sites was better in the 18th and 19th century; mostly due to no power tools.
and material quality, has declined just look at stick framed house, with 2by 4s
https://www.popsci.com/two-by-four-lumber-measurements-explained/Modern bricks are not solid.
an how lime mortar does not degrade compared to cement mortar, which degenerates.
https://thecraftsmanblog.com/lime-mortar-vs-portland-cement/