I did. I, for instance, decided to look up a 235/45/18 to see what it would be like. A goodyear in that size only would “work” on a 7.5 to 9, but a 235/50/18 would work on anywhere from 6.5 to 8.5
How can 5% of sidewall make an INCH difference in how the tire will fit? That just seems stupid to me.