You are entirely wrong. Your statements even contradict themselves. 'How many bits of information isn't the point...gives a picture of how much they monitor.' Eh? How do you get a picture of how much monitoring by ignoring how much monitoring is done? Your version is a good example of misleading with statistics.
The statement 'over a trillion seconds of data from 1.6 million customers' tells you that there is a lot of data and it was collected from a lot of people. Even if you can't visualize a trillion you know it is an awful lot of data. Moreover, that statement implies that they collect data every second. Finally, that statement lets you know that you can not make any determination about how much data was collected from any individual driver.
Now consider your '174 hours per driver.' What does that mean? Do they sample once an hour? Do they collect 174 hours from a driver then stop collecting? Have they collected from 1 driver or many? Far from making it easy to visualize how much monitoring is done, your statement leaves the reader with no useful information at all.