Karate started going through a renaissance in the 2000s because the internet enabled a small number of people who questioned the disconnect between their forms and their fighting to ignite the curiosity of many. Coupled with ufc seeming calling the old way into question this has made for a lot of change.
Apologies for cherry picking from such a long, detailed post, but for many of us on the East Coast, Karate started going through a renaissance right around nineteen eighty.