Starting off on a .22 does a lot for basic marksmanship but it can also cause issues with flinching and over compensation when it comes to handling recoil. For example, when I started shooting I shot my 10/22. I then shot someones .308 and I was way off target every time over compensating for the recoil that the .308 (fearing the recoil if you will) and then I switched back to the 10/22 and was perfect again. I think it can do a lot of damage to fearing recoil, I eventually got over it but I think perfecting a higher caliber will actually make you more accurate when shooting a .22 but eh... I am relative newby.
"A government that no longer fears its people, no longer fears failure" - Unknown Roman Senator