The level of "outrage" deliberately exceeds the reasonableness of their position, which strongly suggests they're being sarcastic.

- They use "unacceptable" twice in a row, which sounds exaggerated.

- Likewise with all the exclamation points.

- They say "It was irresponsible to let ships pass a dozen times a day through a flimsy contraption that could collapse at the first nudge.", but ships pass under bridges all the time. IIRC, in Baltimore's case, I'm not even sure you can exit the inner harbor without going under that bridge.

- "The people of Baltimore have benefited for years of a port facility literally downtown, which is practically the same thing as building houses in a flood zone. Should have never been permitted!" Ports are literally designed to be on water, and the comparison makes no sense. Combined with the exclamation points, I don't think this is serious.

- "I hope “We The People” accepts the responsibility for their actions!" This is comedic. You have the excess exclamation point, and it even implies that we're collectively to blame for this.