You will not. Depending on how cynical you are, that was either a honest mistake because it was incorrectly thought the vaccines did prevent transmission, or just a made up false narrative pushed to promote vaccinations.
The only effect there is is the meager excuse that you could protect grandma because the temporary protection from severe illness might be saving medical resources she needs. But if you look into the numbers, you’ll see that for the not elderly without preexisting conditions, chances of severe illness are very low anyway.
