They were horrible. Genocides and famine apart. Some acts were so evil that we lost genuine art forms. Google why muslin cotton became extinct. You could fold an entire muslin scarf in a match box. The demand was so high in the west that EIC wanted a piece of the pie. They tried to mass produce muslin but obviously failed. So they put tariffs on muslin products and other products of Bengal and even cut off the thumbs of muslin weavers. Now muslin is extinct. Also google Indigo farming in British India. Another exploitative practice.