It's not just the behind-the-scenes stuff that's ugly. Whatever they used to render the text is much worse than what my browser does. And there's no mouse hover changes. And you can't copy/paste the text. Following best practices would have gotten them a long tail of benefits for free.
Sure, the page gets the message across, but I think even non-technical people are at least subliminally aware of the fact that there's something low-quality going on.
If some smaller website did this it wouldn't be as surprising. It's just that this seems like an amateur mistake from a company that we all assumed to have competence in web design.