Even withing the areas where hail falls, most of it won't be the giant hailstones. Once it gets below the size of a quarter cars and roofs are generally safe.
But yes, it regularly totals cars and destroys roofs. They'll send out an army of adjusters and roofers will swarm the area looking for work.
Don't be an insurance company specializing in just one city in Texas or you can be wiped out in one storm.