What risk is there of a middle seat if you are choosing your seat? While I do enjoy my automatic C+ upgrades at time of ticketing because of status on Delta, I

What risk is there of a middle seat if you are choosing your seat? While I do enjoy my automatic C+ upgrades at time of ticketing because of status on Delta, I’m short and average size so main cabin doesn’t really bother me especially if I can get an exit row seat. It wasn’t bad flying nine hours to London two months ago.