That if you are not paying for a product, you are the product. If a product you love is free, and/or you use it because it's free, think of what you are paying for it with.
Even if you are paying for a product, you may be another income stream. You pay for a smart watch/home assistant/email/VPN and they use your data. Not all but enough people need to be aware of. Sadly It's pretty much now deciding on who gets your data. Or trusting that they really are not taking your data, trust them, they say they are not!