There are many parts of Canada under no fire restrictions at the moment.

Accidental or even negligent does not automatically mean arson. Jumping to that conclusion is silly.

Are this areas burning?

Accidents are rare, and the fires in clusters and other common patterns are typical

One alleged arsonist detained in Galicia (Spain), with a bag full of stuff. After several wildfires stated to appear near his village in the last two weeks he was watched a morning moving into two locations that soon started to burn. Near houses of course. Why not?