It was a cause celebre during this period. Mostly due to Upton Sinclair. https://www.history.com/news/upton-sinclair-the-jungle-us-food-safety-reforms

I imagine there are some pretty problematic takes that just aren’t included here given the time frame.

I say this as a fan of little nemo in slumberland from the same era.

There is also a comic where he is against women suffrage as an example of the bad takes.