Depends. Typically a lot of general products have a defect rate of 2-3%. Sometimes you’ll find some products get batches that are closer to 10%. It’s not that the product overall is bad. They received a faulty product. Some people go straight to a bad review before contacting, some claim to contact and dont, others do try and somehow it falls in the cracks and that turns into bad custom support etc.

I’ve dealt with ordering from other countries, selling products on Amazon, our e-commerce from 3rd party sourced, in house made, and 3rd party made. I’ve also had every kind of customer, from overly understanding to batshit crazy entitled. And there’s no formula for who leaves reviews like what tbh. I’ve had BBV reviews for complaining of not receiving products after it was shipped twice with confirmation of delivery before it was even reported. I’ve had a scathing review from someone that orders every 2-3 weeks like clockwork. I’ve had good reviews from people I thought would leave bad ones. Good and bad reviews from people that I cannot find in any relation to any product purchased. From things that were our fault to not our fault not of it ever makes any sense - and overwhelmingly happy customers do not leave good reviews. Why? Because it went smoothly. 20,000 orders - < 100 reviews. Unless you request, and send out emails asking for reviews or give some incentive you’ll overwhelmingly receive negative.