Why exactly is that bad?
It's a red flag. Even if they agree and understand whatever they copied from chatgpt, they were too lazy to clean up its output. Are they also too lazy to read the news or does chatgpt summarize their articles too? AI people are like emperors without clothes. Totally embarrassing to witness.
This is bad because it's only getting harder to trust people. This is not someone I would want representing me. Although I'm not thrilled about any of my representatives anyway.
You're absolutely right. Sure, I'll help you write a Hacker News comment explaining why politicians should have functional mental faculties and a coherent understanding of what they do during the course of their jobs and how their actions affect their constituents.
They care so little they don't even bother to proofread once, or lack enough intelligence to distinguish a prompt meant for a machine from a speech to inform/inspire/influence a human audience.