The same "expert" that claimed this
Interesting talk. It is split up in 3 video's don't know why, but all 3 is pretty informative on the current state of the war.
I do think he is slightly over selling Russia, and it will still be messy.
NEW YORK, January 11. /TASS/. For years, the United States had been turning Ukraine into a base for strikes on Russia, and Moscow had no other choice but to respond, said Col. (ret.) Douglas Macgregor, who was the former advisor to the Secretary of Defense in the Donald Trump administration.
US was turning Ukraine into base for strikes on Russia — former US military adviser
"The Russians has finally felt compelled to intervene and they have," Douglas Macgregor added
Really, only since 2021 when they became aware of Russia's plans for Ukraine.
Ukraine: main suppliers of arms 2022 | Statista
The United States was the major supplier of arms to Ukraine in 2022, as trade-indicator values (TIV) of Ukrainian arms imports from that country were measured at 917 million TIV in that year.