One of the most reliable cars ever made over many years is a Honda Accord. One of the reasons they are perennial favorites and the staple of the Honda Motor company is their reliability. If they choose a CVT, it’s reliable. Buy from a car maker with reputation or building reliable cars and you are more likely to,get reliable transmissions, CVT or not… The auto world is filled with cars that had unreliable transmission. Many were traditional gear transmissions. Mopeds and snowmobile CVTs were like car CVTs in theory only. Rubber belts aren’t the same as steel ones. If executed well, theoretically with many fewer moving parts, a CVT has the potential to be more reliable. But, as gears tend to be stronger then belts, I would not recommend one for towing. When they put them as standard fair in trucks, I could change my mind.
The regular automatic gear transmission had it’s share of teething problems too and is still has reliability problems in some vehicles and some applications.