Maybe watch the video. Artists have to eat, and they relied on patronage and commissions. The church and the nobles were the only ones with the free cash and the motivation to fund artists and their creations for much of the Christian age in Europe, regardless of their looks.
But also: something changed in the 16th century: do you contend that the monarchs suddenly got uglier to the point that artists didn't want to paint them anymore?
But also: something changed in the 16th century: do you contend that the monarchs suddenly got uglier to the point that artists didn't want to paint them anymore?