My opinion:
If you don't have the money to consult a lawyer, and can't read/understand the license (the "lore" of open source licensing is almost 40 years old now) then you probably aren't rich enough to be sued.
But if you create a product, how are you going to preserve copyright notices? Not in the binary code :) Perhaps you have to set up a website and post the open source code there. I recall seeing some Linksys product, years ago, which was like that. The source code posted was just a useless fragment, with a load of copyright notices.
Yes, Linksys did it mostly right. Since forever on Android phones: