Most people dont think out of the box once they see a bad critique on their work. Some just panic and worry that more people will come and bash the shot and give up instead of analysing what went wrong. Which involves them abandoning that project which is very sad to see.
On the other hand, they are some idiots who try overly hard to prove the critique wrong but yet still make a fool of themselves. Cant they take a set back and look into what went wrong?