Your Federal tax liability is what you pay in Federal taxes, not what your refund is. The people that don't understand money, think that their refund tells them whether they got a tax cut or a tax increase.
This article explains that you cannot compare the taxes owed based on your refund amount. You have to see if your withholdings from your paycheck went down. An accountant explains that 2/3rds will see a tax cut, 1/10th depending where you live could see a tax increase, and the rest will not get a tax cut or tax increase as expected.
https://finance.yahoo.com/news/trumps-tax-scam-some-taxpayers-get-unwelcome-surprise-after-filing-returns-201206749.html?.tsrc=daily_mail&uh_test=1_05
This article explains that you cannot compare the taxes owed based on your refund amount. You have to see if your withholdings from your paycheck went down. An accountant explains that 2/3rds will see a tax cut, 1/10th depending where you live could see a tax increase, and the rest will not get a tax cut or tax increase as expected.
https://finance.yahoo.com/news/trumps-tax-scam-some-taxpayers-get-unwelcome-surprise-after-filing-returns-201206749.html?.tsrc=daily_mail&uh_test=1_05