The US Congress is legislative branch. Congress is divided into the Senate and House of Representatives.
What makes it confusing is that representatives are also referred to as "congressman" but senators are onky called senators. Despite both being members of Congress.
It's just a humor article. Not sure if you read past the headline but the whole article is about the positives of an e-bike. If anything maybe someone who by default is opposed to or on the fence about e-bikes might click on the article to get some negative takes and they find only positive ones,