Mattress/politics is really shady. Purple tried to sue this YouTube blogger that was complaining about the mysterious "secret formula" powder that Purple used prevent the plastic sticking. I ended up getting a Leesa since it was the most reputable and haven't done anything shitty.
The backstory here is a bit more complex. The "powder" is entirely safe and the blogger was spreading disinformation while also running an incentive/referral site of their own while being connected to a competitor (GhostBed). Whoops.
Mattresses are so notoriously shady that one popular new brand in Germany is literally marketed as the "anti-cartel mattress". Of course, the top Amazon reviews are full of people calling it a scam. (I have one and it's, well, tolerable.)