Sure, but if you use fascist tactics to fight fascism, are you not a fascist yourself?
And people conveniently focus only on the symptoms(rise of fascism) but not on the main cause that leads to it.
Like Hitler didn't just randomly get to power one day out of nowhere because the average German citizen was living such a good life. He was just one of the symptoms to a major problem that the Weimar republic didn't address and instead used fascist tactics to get rid of Hitler before he could gain power, and then guess what happened.
Similarly, Trump is also only but a symptom to a larger issue. Using fascist tactics to get him out of power, only makes the counter response greeter, and not make the core problem go away.