I was wondering, have the producers of Family Feud ever just made up the responses to a survey, or are they above such chicanery?

Wouldn't that be an S&P issue, given that Steve always said that they surveyed 100 people?

/then again, they never said which 100

The closest I've found so far to meeting the original description would be Narz Concentration.

This doesn't quite qualify, but it's certainly adjacent:

Tyshaun, you're 100 percent correct on both counts.  I worked for said executive years later, who at the time was absolutely convinced that the show had become tired, repetitive and ultimately not as watchable as it had been.  And, in fairness, given how much it pushed what was the envelope in its first years, only the see the likes of The Gong Show and other media eclipse even it, he wasn't wrong.  He did admit with the benefit of hindsight that the move to the morning was a bad one, and that the decline may have been accelerated by that decision, and by the time it did come back to the afternoon re-establishing the fact it had returned was difficult.  But he completely defended the ultimate cancellation move , and if you notice, his good friend just HAPPENED to produce the show that was ordered and went to series the day after the last MG telecast. 

Last week, in a post called #SurveyAlsoSaid, the Family Feud Twitter account began posting complete survey data for one question on each show. I do believe this is the first time any official show capacity has given out all 100 answers. For example, today's (de-emojified) post gave us this information:

We asked 100 women. You’re drunk at a bar and you see a man who dumped you. What do you do?
#1 Ignore Him (40)
#2 Leave / Hide (18)
#3 Tell Him Off (15)
#4 Pour Drink On Him ( 8 )
#5 Say Hi (7)
#6 Puke On Him (2)
#7 Flip Him Off (2)
#8 Headbutt / Attack (2)
···
#SurveyAlsoSaid (not seen on TV)
* Cry (1)
* Stare At Him (1)
* Warn His Date (1)
* Twerk (1)
* Smile At Other Men (1)
* Act Happy (1)

As of today, five questions have had their responses posted.