The primary fallout we should expect is not having our health data traded like our “Likes” on Facebook and browser history.

Nah, unless the companies completely stop offering products here, health data will still be traded. I'm sure that they will stop offering many services unless you opt in. Want your Apple Watch to work, you better opt in.

Companies choose not to comply with BIPA not because it is tough to comply with, but because it costs them a tiny amount to comply

Oh shit, he used bold in his argument, it must be true. But yeah, BIPA has a fair amount that isn't clear--that inherently makes it hard to comply with.

especially since the bill allows companies to obtain consent electronically

Like a lot probably already do through EULAs.