ACC It’s clearly keeping one safe and most cars cut-in regardless, one thing my golf did was when you indicated to change lanes and steers a little, it did not slow it down (some drivers don’t even indicate to change lane) On my current car don’t do that, so now i know i need to help it out or move out a liitle earlier.. New car also has cut-in protection and sometimes, (when i first got it) i think why you slowing down and then the car in the other lane pulls out or back in and 95% of the time it’s right as it knows it’s travelling faster than the car in front of it in the same same lane.
Often i do think alot of people drive way to close to the car in front of them, than the braking distance needed, like the leave 2 chevrons markings and if that is the case then acc will seem excessive but when you get used to how it works alls good (imo anyways) after all it will speed up again when it’s clear without any input..
It is also an aid so one needs to be alert and i must admit it decreases my rage at people as the car does most of it.. 140 miles to london and i only steer alot of the time.. plus using it in traffic jams and around town is awesome as well. You can overide it at anypoint as you would have to do using normal cc if you cannot move to the next lane, you’d have to dissengage it or decrease the set spped then increase it, acc does it all for you in a safe manner most of the time. it’s not totally 100% though, but know the boundries of how it can operate is key.