It's safe to assume because it's SOP for politicians. You aren't saying anything that hasn't been true of any incoming president in my lifetime. Hell, it's often true in the private sector during a management change.
Or Ford, which was never moving the jobs in question out of the country.
Or something else?
This is getting silly. It is 100% in line for all politicians to claim credit for everything they can, and many things they can't.
And when Obama started tweeting before the 2008 election, everyone thought he was so "with it" in terms of technology. Trump does it and it's a problem.
[1]https://www.washingtonpost.com/news/fact-checker/wp/2016/12/...
That's cause he goes on 3am rants that sound like they were written by a 10 year old.