In Europe I've never used the magnetic stripe. Across 10+ countries, for the past 10+ years.
Didn't work. Ended up having to pop outside to the cashpoint to get analogue money out.
I assume it's just one of those old weird technologies that just exists because solely it's not been removed yet like fax machines
What's really surprising is when a new store opens (restaurant, typically), and they don't have a chip reader on day one. They still swipe.
I've had my card skimmed more times than I can count over the decades. That we're still dealing with this problem in 2019 is maddening.