One possible historical accuracy problem:the legal working week was 48 hours,not 40 in weimar,and after the depression started,the actual working time(in some cases) fell drastically to about 43 hours per week.
Reference:孟仲捷，王琼颖《魏玛德国的社会政策研究》第一章
（I tried to send this post before but it seems to have failed due to technical reasons,nevertheless,don’t mind this if you’ve seen it before and have a good day!)