From the article, it sounds like the payer of support will be liable for the income tax on the support money, but the recipient will no longer claim the support money as income.
My interpretation is that this effectively keeps the income element with the higher-earner, presumably taxing it at a higher rate.
I don’t think it is being taxed twice, through the current or proposed process.
There’s at least 3 of us on this thread alone that will pay several thousands of dollars more in taxes as a result.
Extrapolate that througout the country and that 10’s of thousands of men being screwed by the Congressional Republicans. Maybe 100’s of thousands.
After being screwed over by their ex.