On February 26th, Kindle customers will lose the ability to download eBook purchases directly to their PC. If you want to switch to a rival eReader brand in the future, I suggest that you use the soon-to-be discontinued “Download and Transfer via USB” feature to archive your Kindle library.
And Amazaon doesn’t have to reimburse you then, since they revoked your permission to read them, which is what you paid for?
It’s not what happened when they removed 1984 off of people’s Kindles. I think somewhere in the fine print, they’ll probably have a clause that says they’re allowed to do that.