The frog in boiling water is actually a complete myth. The frog jumps out when the water is too warm for it, it's not completely stupid. If the price is 'too hot' for you, jump out. Deezer (or any other streaming service) isn't forcing you to stay subscribed.
Back in 2019 some releases installed directly from IGG-GAMES contained crypto miners. They also added their own DRM to releases. Since then I have stayed away and never looked back.