Shifting is faster and more precise, with no need for readjustments. It also eliminates a lot of cabling, which makes it look cleaner and simplifies the setup.
I find it interesting how the Russian news agency TASS quotes the presidential aide of Russia:
"The election campaign is over," Patrushev noted. "To achieve success in the election, Donald Trump relied on certain forces to which he has corresponding obligations. As a responsible person, he will be obliged to fulfill them."