That's not a bad idea for any software that is critical to one's business.
What, it's not bad to scare off their own customers? After such claims, they'll ditch this vendor, and will go looking for more sane competitor who isn't a copyright freak.
I believe the parent meant that it's not a bad idea to reevaluate the usage of any software that is business-critical and may have similar repercussions should your license to use it expire.