BLS expects automated troubleshooting tools such as chatbots to take over some routine user support work. The Occupational Outlook Handbook notes this may free support specialists to handle more complex cases. In pay terms, that moves the work people are hired for toward the tier 2 and tier 3 end of the range.
For job seekers, the practical point is that the tier 1 role is a shorter stop than it used to be. Specialists who learn scripting, endpoint management or security basics on the job are the ones who move into the higher-paid roles in the table above.