They never show their polling data. They just say their poll shows this or that, such as the line I pulled from the article.
They don't say when this poll was conducted either. For all we know it could have been from February, if the poll ever was ever done at all.
The data in the link posted at top of my response, proves that the result did not show 1/3 believing what they claim, because somewhat likely, and even very likely show nothing more than almost a 1./3rd would like to see that happen. But no one I know, or know of, has made the claim that claim, not Mike Lindell nor anyone else.
So, all that confirms your assertion that this is a BS article.
The poll was completed from August 7 - 9 by Morning Consult and Politico.
Interestingly, and what Politico doesn’t mention, is that 14% of Democrats believe Trump will be reinstated as well. It’s even higher with Democratic men at 19%.
https://www.politico.com/f/?id=0000017b-329a-d185-a97b-3f9ef4610000
National Tracking Poll #210636 [PDF] June 04-07, 2021
Crosstabulation Results
Methodology: "This poll was conducted between June 4-June 7, 2021 among a sample of 1990 Registered Voters. The interviews were conducted online and the data were weighted to approximate a target sample of Registered Voters based on gender, age, educational attainment, race, 2020 presidential vote, and region. Results from the full survey have a margin of error of plus or minus 2 percentage points."