So I'm a bit old and creaky and I find my old SUV a bit easier to get in and out of. And sometimes I haul things and it seats 5 comfortably occasionally when needed. It is also much safer than average. You would require me to apply to some government bureacracy for permission to replace it when it wears out? And perhaps get rejected because I"m not disabled enough?
Calling SUVs safer than average is a bit much. They're only safer because cars are so much heavier now. If similarly sized cars have a collision with each other, the overall safety is not much different to SUVs colliding. But you feel obliged to buy an SUV because everyone else has one. If you look at Europe, where car sizes are proportionally quite a lot smaller than the US, we have lower traffic fatality rates than North America. (There are obviously confounding factors, but it shows that you don't need big vehicles to have safer roads.) The other problem with SUVs is they're a lot more dangerous to pedestrians and cyclists in accidents.
But my main objection to SUVs is that they take up a disproportionate amount of road space for the utility they provide, whilst also requiring a lot more energy to propel and producing more pollution. Most people (based on surveys, mind, so you might know an exception or two) actually use less space in an SUV on average than other cars; their average occupancy is
lower than a typical hatchback. These vehicles are often sold on the basis of marketing around "Freedom" and "Adventure" but spend their time crawling through suburbia and urban areas. At least in Europe, the SUV is a new invention, they've only been around for 20 years or so, yet have exploded in popularity in the last 10 years, becoming the 'must have', despite average family sizes falling (so it's not as if we have a lot of four-children families to fit inside these cars.)
I always enjoy the look in the IKEA car park of someone just having bought some large book-case trying to stuff it into the back of their SUV. They might manage, and they usually look quite proud of themselves, but seriously: you paid another £5,000 for that monstrosity, so that you can save £12.99 on delivery from IKEA? Ok, maybe they visit every week and have a family of 4 too... but probably not.
I know we'll never ban SUVs for good but I'd seriously like to see automakers discouraged from making more of them. If we need bigger cars, we should be building more estate cars (better aero footprint and less weight) and giving people better access to rental vans and the like.