The day after Thanksgiving is called Black Friday partly because it’s considered the biggest shopping day of the year and routinely brings businesses into the “black,” or out of the red, and makes them profitable.
But I’m recent years, companies have released Black Friday deals well before the day after Thanksgiving. And there has been backlash against companies for forcing employees to work on Thanksgiving and early the following morning. But Black Friday is still alive and well.
Source: https://www.distractify.com/p/is-black-friday-still-a-thing