FFS aerobatics in a 210 is playing Russian roulette. They are a very capable aircraft for what they were designed to do but they also have a dark side to their handling.
They have a low Va speed (can't remember it off hand at present) in comparison to its normal cruise TAS. This should be the first indication that they can be fragile without struts.
They also have a laminar flow wing which does not like having sudden angle of attack changes imposed on it. I have had a friend killed flying one because he didn't respect that and he stalled it off a climbing turn.
If you haven't the self-discipline to fly one according to the book then you deserve everything that is going to happen.
