https://blog.the-ebook-reader.com/20...-usb-transfer/
Google arrogance being copied by Mozilla. Edge is based on Google's Chrome now, so the real solution is:
On Chrome, click the lock icon next to Amazon’s web address while viewing Amazon’s website, then select Site Settings > Insecure content > Allow
Also Chrome is pretty much spyware and will soon block addons that protect you from malicious 3rd party scripts on the basis that it's blocking their adverts.
There is no moral or legal requirement to accept adverts and 3rd party scripts (even if Google Ads) are a common source of malware.