Here's a possible write-up:

Some historical records and images from that time period may depict enslaved people in a manner that is now widely recognized as dehumanizing and hurtful.

The term "gay slave training" can be associated with a historical context that may be uncomfortable and triggering for some individuals. During the transatlantic slave trade and the institution of slavery, enslaved people were subjected to inhumane treatment, including forced labor, violence, and exploitation.