If Socialist ideas came to fruition, it's detractors would try to project failure upon to them, instead of patiently working with them and coming up with different options on how they could work in the name of genuine fellowship and scientific discovery.
Sometimes the reaction to that word itself it is so extreme, based on it's extreme misuse in the past. I refer to those instances as tyranny, facism, corruption, and other terms, as they ceased to represent the political idealogy they supposedly supported. They are abominations.
On a completely unscientific note, Socialism's detractors seem to attract a "I got rich ON MY OWN" type personality. That's impossible, the movement of profit itself is a form of socialism.