In this case the copyright was 'This is our website. We don't have anything specific about our data.' So no specified claims to sales or specific claims to sales data puts everything in the public domain as long as the scraper uses the data for 'informational purposes' and does not make a copyright claim to the data itself.
FYI: a more specific definition for crayon is 'a writing device where the writing material wears off to leave a meaningful mark.' Examples are: crayons (duh), pencils, charcoal sticks, etc. Since pens and markers have ink or pigment reserves and do not wear down they are not considered crayons.
However, you could copyright a article describing the merits of a specific type of writing instrument, regardless of who owns the trademark.