No - one accident does not reverse the incredible improvement in accident rates
We have different accidents these days - or more likely we always had accidents like this - it's only because we've reduced the others (eg CFT, engine problems etc) that we focus on these loss-of-control occurrences
"On average, from the point of view of passengers, the airline industry as a whole, over the last five years was almost eight times safer than it was as recently as ten years ago and almost 20 times safer than 20 years ago."
Flight Accident Review of 2017