I've had non-compete agreements provided to me to sign in the past, usually as part of a packet of things to sign. In each case I just pocketed them without signing them. I've never had a company come back later and demand that I sign the thing. If they don't do their diligence, I don't see why I should do it for them. In other words, just because someone puts something in front of you to sign doesn't mean you have t…
In a similar light, there are many places that ask you fill out your social security number among other items on paperwork. 9/10 times they will never ask you to fill in the blanks you left out...
Depending on work relationship (e.g. contract), they may not be doing this anyway. But there are some things they need it for.