It doesn't sound bad when you're just talking about one product or company but we're not just talking about one. Amazon has done this to thousands of products as part of a plan to use third party sellers as guinea pigs to see what products will sell enough to rip off. This is systemic anti-competitive behavior that is at the very least unethical if not outright criminal.
https://www.theverge.com/2021/3/3/22311574/peak-design-video...