Here is an article by Antonia Morin from BR-Klassik about the most popular misconceptions about the violin:
Old violins sound better than new ones. The second violin part is easier than the first. And Stradivari’s secret is the varnish. Or is it? We asked violin makers and orchestral musicians what is really true about the myths surrounding the instrument of the year 2020.
https://www.br-klassik.de/themen/klassik-entdecken/sieben-irrtuemer-violine-geigenbau-stradivari-100.html