weird wording

what does 'unethically cheap prices' mean, are low prices unethical?

what does excess polyester usage mean?

labor violation is indeed a bad thing, but innocent until proven guilty, right?

promotion of overconsumption is the only one i think is valid here, we don't need more stuff, but shein is not unique in this regard (h&m, zara etc.).

i'm not defending shein, i've never bought from them, and have no allegiance with them, but isn't this slightly sinophobia coded? am i reading too much into it?