The German term "Windjammer" translates literally to "wind whiner" or "wind lamentor" as the crews of these ships were very unhappy when there was no wind.
Yes, the introduction of steel to sail boat construction allowed bullders to blow previous size constraints out of the water. They were considered big and ugly. IRC Windjammer was an insulting name because they didn't look like elegant craft that rode the wind, but wind jammers.