I can promise you that so long as marchers stay within the lines and don't cause inconvenience for anyone, their visibility and impact will be zero. What the pro-life movement needs is a couple hundred thousand people willing to be arrested for being a non-violent pain-in-the-ass.
“What the pro-life movement needs is a couple hundred thousand people willing to be arrested for being a non-violent pain-in-the-ass.”
You may have something there.