I am convinced that many "professional" writers do not know language or are too lazy to make the effort to proof-read their efforts. Look at the lines below; they are egregious examples that offend intelligence and they occur daily.
"Are you going to lay down?"
Motrin IV commercial
"Boscariol said he can't confirm that a lightning strike occurred until he's had a chance to investigate the building, which should happen today."
"Former tavern partly collapses", Windsor Star, Thursday, May 10, 2007.
The word for today is insidious.
Define the word and use it in a sentence.