If someone gives examples of successful people with the same flaw as them in an attempt to justify their own flaw, and other people end up praising the examples, does that person accomplish what they intends to do?

Sorry in advance if the wording is too confusing, but I’m not sure how I can convey that…

Maybe this example can clear things up a bit: suppose that a fat person eats a lot and refuses to exercise and some people criticize them for their unhealthy habit. They find some examples of people who are fat but active and pretty and post on Facebook one day saying that fat people are not always unhealthy, in order to deny their own obesity and prevent more criticism. Some people, who clearly don’t know the backstory, comment in their status praising the examples and seem to completely ignore the OP. So does the person in question successfully justify their flaw? Or have they just failed in some way?

Just curious.