And that argument is much, much older than the digital age. If anything, extra tracking helps exonerate more than without it (false imprisonment, etc) https://time.com/wrongly-convicted/
The reality is that data can be used to your benefit or against you. Having more of it doesn't shift the balance one way or another. It just means there's more opportunities to take it one way or the other.
Your times article also makes no mention of location tracking raising exoneration rates. It talks most prominently about how cheap faulty field drug tests contributed significantly to the improper convictions.
When you are facing wrongful conviction, the assumption is that you are unable to present evidence in an effective manner anyway.