I perceived DC as downplaying it a little, there was actually this line also in your above snipped portion in response to the direct question 'if there were any special arrangements being made' because the Legislature will be in full swing also:
<snipped>
Carter said in anticipation of Allen’s visit, ISP’s special operations unit will be assigned to the Indiana Statehouse before, during and after the Supreme Court hearing “We’ll take the relevant precautions. Most people won’t even see him,” Carter said.
And this:
<snipped>
Asked about the overall impact on business taking place inside the Capitol building, Carter said he expects there to be little.
“Zero. Business will continue to happen just like it does normally,” Carter said.
JMO