Plenty of items on eBay are just people who buy from China directly and mark up prices. If it is likely made in China and I don’t want it quickly, I’ll buy off aliexpress. That said, alibaba wanted me to upload photo ID which I noped out of. Temu started spamming my email address when I’d never used them. The unsubscribe link went to their website said to adjust your account settings if you didn’t want spam… I never created and account and avoided them completely following that.
In general the reasons could be, an opportunity to raise capital meaning they can ramp up production or produce a better product, and/or the current owners want to cash out.
More expensive in America, reduced demand might make them cheaper elsewhere?
iiNet in Australia used to fight for their users’ privacy until they eventually sold out.