Amazon is a good one, not only on ethics but on a practicable level it's useless. Swamped with fakes and compromised reviews, I trust ebay more than Amazon.
Spotify.
I loved the convenience of it but as a business it just left a sour taste. Their CEO travels on transatlantic 15K first class tickets while paying most artists pennies. At the same time investing in arms companies and paying Josh Rogan millions of dollars. Horrible, amoral parasitic...