Yeah from the facts reported it sounds like that kinda story to me. No eyebrow raising red flags or anything really outlandish.
Though it's like you say a perfect example of how a shooter situation should be handled in contrast to Parkland…
The MSM was waiting outside his house for the police to arrive. The dude was not even aware he was gonna be arrested.
Found guilty of being "grossly offensive" by a UK court, sentencing in mid-end April