Facts are that there aren't any US drone manufacturers making drones to compete in the consumer drone market.
That goes for features, quality and price.
There are many small scale US drone makers catering for commercial and military customers at prices that consumers would never pay.
This video is long, but gives very interesting information from the police users perspective, on the actual security issues of using DJI and comparison of the quality and features DJI offers versus the competition.
It also shows how Skydio, rather than make competitive drones, has been involved in promoting the idea that government agencies shouldn't use DJI and spreading the paranoia surrounding this topic.
The simple facts are that DJI makes the products that users want and they sell better than all their competitors combined because of this.
Yes ... it's been >70% for years.