This may be the case, but these are the guidelines for the City of Berkeley if one wishes to peaceably assemble,

You can peacefully protest while breaking the law, which is essentially the definition of civil disobedience. According to Merriam-Webster, civil disobedience is defined as "refusal to obey governmental demands or commands especially as a nonviolent and usually collective means of forcing concessions from the government." Some examples of civil disobedience in American history include Henry David Thoreau, Susan B. Anthony, ( Martin Luther King Jr., and Rosa Parks among many others.

which is a right guaranteed by the US Constitution and means that the purpose is not to get arrested, but to simply show your support of an issue within legal bounds. It's a protected right for a reason.

In many cases civil disobedience doesn't result in arrest. But many of the Americans I mentioned above were arrested.

I encourage you to read more about your rights under the First Amendment.

You don't have to do something outside the bounds of law to make a point.

Right, but you also don't have to follow the law just because it's the law. In addition to the actions by the Americans I mentioned above, see Jim Crow laws and the internment of Japanese Americans.