The law enforcement agencies are obligated to deal with anybody that wants to disrupt the peaceful protest.
Assuming but not conceding that we don't know where the protest will end, we know where not protesting will end - the continuation of government arrogance, extravagant spending on themselves, wanton corruption, and hunger and hopelessness for the masses.
Something has to change.
“Protest: You don’t know where this will end, Shettima tells Nigerians - Daily Trust”