I can assert it since actions speak far louder than words. If mom and dad are not compelled to adore Jesus, present Body, Blood, Soul, and Divinity in the Holy Eucharist, and to do it joyfully at least once a week on the Lord's Day as He commands, they are teaching their children that they do not believe it, truly. Children imitate parents, not the teachers they see once a week. Heck, kids don't do what five-day-a-week teaches say!
How do you compel someone to do something joyfully?