You say it like it's a bad thing that textiles are manufactured in poor countries?
As an example: Bangladesh has been on a multi-decade long streak of excellent economic growth. Mostly thanks to the textile industry. Regular people are better off.
> In last decade, poverty dropped by around one third with significant improvement in human development index, literacy, life expectancy and per capita food consumption. With economy growing close to 6% per year, more than 15 million people have moved out of poverty since 1992.[64]
From https://en.wikipedia.org/wiki/Economy_of_Bangladesh#Modern_B...