Orwel abhorred imperialism and saw it as a source of misery, submission, exploitation and oppression by the peoples. For him, imperialism caused problems that were very difficult to solve and very violent, being an unfair and immoral political game.
Orwell was a progressive and was faithful with fidelity to freedom and social well-being and for that reason he criticized all political aspects, although he was sympathetic to the leftist and socialist ideas, he criticized the utopian idea that these two aspects defended, because they knew that the political, social and economic problems of the world were difficult and needed solutions that were also difficult. As he defended the citizens' freedom, he also criticized communism and the limitation and control that it emitted in the peoples he dominated.
Usually due to not paying workers enough, especially using workers in developing and poor countries which are desperate and will do work for very little. Big companies can sell cheap clothes but still make a huge profit from paying workers little.