Here are 22 (!) peer reviewed papers by the author about Oumuamua and IM1 (it is important to check facts before speaking):

https://iopscience.iop.org/article/10.3847/2041-8213/aca8a0/pdf

https://iopscience.iop.org/article/10.3847/1538-4357/ac8eac/pdf

https://iopscience.iop.org/article/10.3847/2041-8213/abab0c/pdf

https://iopscience.iop.org/article/10.3847/2041-8213/acdf57/pdf

https://www.liebertpub.com/doi/10.1089/ast.2021.0193

https://iopscience.iop.org/article/10.3847/2041-8213/abac66/pdf

https://iopscience.iop.org/article/10.3847/1538-4357/aac3db/pdf

https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/exporting-terrestrial-life-out-of-the-solar-system-with-gravitational-slingshots-of-earthgrazing-bodies/06FFEAD602FB574BA5AB969BC261F27F

https://www.sciencedirect.com/science/article/pii/S0094576520302058?via%3Dihub

https://www.sciencedirect.com/science/article/pii/S1384107621001445?via%3Dihub

https://ui.adsabs.harvard.edu/abs/2021MNRAS.507L..16S/abstract

https://iopscience.iop.org/article/10.3847/2041-8213/abc170/pdf

https://iopscience.iop.org/article/10.3847/2041-8213/ab74d9/pdf

https://iopscience.iop.org/article/10.3847/2041-8213/ab042a/pdf

https://iopscience.iop.org/article/10.3847/2041-8213/aaeda8/pdf

https://iopscience.iop.org/article/10.3847/2041-8213/ab74d9/pdf

https://iopscience.iop.org/article/10.3847/2041-8213/ab042a/pdf

https://www.worldscientific.com/doi/10.1142/S2251171723400019

https://www.worldscientific.com/doi/10.1142/S2251171723400032

https://www.sciencedirect.com/science/article/abs/pii/S0094576523001492?via%3Dihub

https://www.sciencedirect.com/science/article/abs/pii/S1384107620300129?via%3Dihub

https://iopscience.iop.org/article/10.3847/1538-3881/aae09a/pdf