The original source for the leaks often has a lot of misinformation including the actual set being totally wrong. They just had that issue with the Dodge Viper which became the Shelby Cobra. We will have to look at the price comparison between USA and EU to see if there is a tariff effect and then can it be interpreted as such.
When you look at prices on the new sets some have a $10 difference, higher in the USA, while others are the same. But this has been going on for years where some regions have even larger price disparities. I would think if it was a tariff effect we would see an across the board increase on all new sets.
$10 higher: Krusty, Balrog, Vending Machine
Same: Slave 1, Shuttle, Pixar