Not really, most government websites use it. It’s still very popular.
https://www.acquia.com/blog/drupal-for-government
https://www.drupal.org/industries/government
https://www.zyxware.com/article/6229/top-7-reasons-why-drupa...
https://www.drupal.org/openplus
https://www.applytosupply.digitalmarketplace.service.gov.uk/...
Now most may be a stretch, it's a hard metric to calculate without going around and counting every gov site. But for English speaking countries, it is very popular enough so that I'd say most gov/state/department websites are Drupal.
That and I am a Drupal consultant. So I may be biased.