Stericycle's mystery shopping company does not pay by check nor do they pay in advance. No mystery shopping would ever pay you in advance. So while the check you hold has the name of a legitimate company, it is a forgery.
Equal rights for others does not mean fewer rights for you. It's not pie.
"I prefer someone who burns the flag and then wraps themselves up in the Constitution over someone who burns the Constitution and then wraps themselves up in the flag." -Molly Ivins
Never try to teach a pig to sing. It's a waste of your time and it really annoys the pig.