If union dues are largely not deductible any longer (save self-employment), why does TurboTax prompt for them in deductions? TT, please add a clarification to the page!

Any other expenses?
Enter any other unreimbursed expenses related to Kristian's job such as:
Communications expenses Learn more
Purchase and/or upkeep of uniforms or protective clothing Learn more
Professional subscriptions
Union dues***
Equipment and tools that are expected to last for less than a year