Because The IRS does consider unemployment income as taxable income, as do most states. Please review the following helpful articles.
Get a copy of your 1099-G
https://ttlc.intuit.com/replies/5758536
Do I have to pay taxes on unemployment?
https://ttlc.intuit.com/replies/3301772
Where do I enter a 1099-G for a state or local tax refund?
https://ttlc.intuit.com/replies/4768356
