Although it appears that AliExpress is undergoing similar phases as Amazon, it's completely the opposite.
The cookie has indeed changed, but the performance on how they operate with custom / reduced pricing options in addition to that actually rose competitiveness, thus boosting performance in the long run.
The conversion rate is still roughly or even higher due to the fact foreign products are becoming widely popular... The growth of this sector revitalizes everything and with future planning on Ali's extent will repeatedly outperform Amazon strictly because of the uniqueness and creativity of the product offering.
There's nothing to fear, now is the perfect time to operate with this affiliate program. Conversions in all majority have seamlessly boosted themselves despite the appearance and fear of this change.