".... should this not reduce my tax burden?"
Not for 2018 through 2025, at this point.
Amounts entered from Line 11 with an "A" code on your K-1 will only (possibly) affect your state income tax return since miscellaneous itemized deductions are no longer deductible on Schedule A.
The foregoing is in accordance with IRS instructions.
See https://www.irs.gov/publications/p529#en_US_2018_publink10004383
