Not the first time thousands of protesters showed up outside the White House, even with isolated incidents of violence, won't be the last.
The White House is one of the most secure locations in the world, and protesters remained outside the gates at all times. Had the protesters reached White House grounds, I'd be in 100% agreement. But they weren't, and the White House grounds remained secure with no incidents of significance I've seen thus far.
Still waiting on confirmation those SS officers were injured protecting the president, as you have repeatedly implied, and not in carrying out the myriad other duties the SS undertakes beyond providing personal protection for POTUS, the First Family, and other high-ranking government officials.