1 million crimes, 1% use lock picks. 10,000 lock pick usages in crime.
18,180 total lock pick usages, of which 55%, or 10,000 are used in crimes.
In this scenario crime mostly doesn't use lock picks (99% of crimes didn't) but lock picks are still mainly used for crime (55% of lock pick usage is).
Of course I just made up these numbers as an example. It's just a logical point about what the article shows. I'm sure most lock pick usage is to get people into things they've been locked out of or hobbyists playing around.
"Good to have a source to show they aren't "mainly used for crime"
"I think that source shows crime doesn't mainly use lockpicking"