I read through the full text of the bill (http://www.ilga.gov/legislation/fulltext.asp?DocName=&Sessio...) and it seems like it sounds like the companies can be sued if one user agrees to a written policy, but then is used by another user (e.g. a spouse or sibling or friend), which makes smart speakers basically impossible to exist. (User identification isn't good enough, and even if it were, mistakes can happen)
> No private entity may turn on or enable, cause to be turned on or enabled, or otherwise use a digital device's microphone to listen for or collect information, including spoken words or other audible or inaudible sounds, unless a user first agrees to a written policy informing the user[..]