It makes bribing every state legislature to get preferred Senators look like a smart investment for the Deep State, since it would give them access to the near limitless money the federal government takes in, thanks to the Income Tax.
Everyone wants a piece of it.
No, I’ll thank the 17th. Thanks to the 17th, Scotus went along with progressive income taxes in violation of the 14th Amendment. A single income tax rate applicable to all poses no danger.
Absent the 17th, the federal courts would be practically devoid of Prog judges hostile to the 9th and 10th Amendments.