The ad campaign had an effect so it's reasonable to pause it for now depending how negotiations go.
Doug Ford and Ontario are not alone. BC and Manitoba's Premiers are publicly supporting this ad campaign. Here's a funny video from Manitoba's Premier Wab Kinew about it:
https://xcancel.com/WabKinew/status/1981753253055361219
There is also an upcoming digital ad campaign soon to be launched by BC focused on lumber tariffs:
https://vancouver.citynews.ca/2025/10/24/bc-digital-campaign-american-audience/




Time will tell. The ad campaign and Trump's reaction to it may play a role in the start of a shift on Republican unity in the States.
From https://www.cnn.com/2025/10/29/politics/canada-tariffs-senate-vote-trump where some Republican Senators voted with Democrats to end tariffs on Canada: